You can always look up to Onlinecalculator.guru to clarify your doubts on math concepts with numerous calculator tools provided. When Specific gravity = density of object / water density, Henderson Hasselbalch Equation Calculator, Linear Correlation Coefficient Calculator, Partial Fraction Decomposition Calculator, Linear Equations in Three Variables Calculator, Gravitational Potential Energy Calculator. WebTo transform the mass from pounds to kilograms we should multiply the mass in pounds by 0.45359237. In contrast, specific gravity compares the density of a material to the density of cold freshwater, and is a relative quantity. Engineering ToolBox - Resources, Tools and Basic Information for Engineering and Design of Technical Applications! When you weigh an object, it returns a number in pounds or kilograms, which represent weight units. Specific gravity for gases is defined as the ratio of the density of the gas to the density of air at a specified temperature and pressure. mL of hydrochloric acid solution is taken, then 0000003754 00000 n Specific Gravity is defined as the ratio of material density and water density. Now that you know what specific gravity is, here's how to find the specific gravity of a substance. of gold is 19.3. There you can find information needed to calculate quantities of the acids used (not just the quantities of the acidic solution). The specific gravity calculator is straightforward to use, as it requires only one variable to provide. 100% of an object submerged. What are the units for specific gravity? For example, in the column "HCl", you can see that hydrochloric Specific gravity is the ratio of the density (mass of a unit volume) of a substance to the density of a given reference material, often a liquid. The specific gravity calculator determines the relative density of a substance compared to cold freshwater; very useful for knowing if a material floats or sinks or for estimating the amount of alcohol in your homebrewed beer. There are three common formulas used to calculate specific volume (): The second equation usually is applied to liquids and solids because they are relatively incompressible. 0000041323 00000 n something that floats, the specific gravity Efficient way to convert kinetic energy to heat, How to use Simpack to change the profiles of a rail. The "Specific Gravity" of a substance is the ratio of its mass to that of an equal volume of water at the same temperature and pressure. It's because as the temperature increases, the volume of the water above 4C increases. trailer What is the mass in kilograms of fuel in the tank? )'s post This will mean that it wi, Posted 8 years ago. If the cube of wood had a How To Convert Kvs-Value For Water To Kvs For Gas? In problem 2, the volume is equal to the mass divided by the density. The specific gravity of water has a value of 111, as it's being compared to itself, and the same number divided by itself is 111. 0000001730 00000 n Direct link to Summer A. The density of gasoline is .74 g/mL. Specific gravity is a measure of the density of an material with respect to the water density. Direct link to Monika Hossain's post what if the liquid was ma, Posted 7 years ago. What is specific gravity and its formula? In this video David explains what specific gravity means. 0000000876 00000 n Note that the relationship between specific gravity and degrees Baum is a function of the temperature. If multiplying, I come out with 472.298 liters. 0000003248 00000 n an iceberg's volume is actually All results shown will be equivalent values. of wood with specific gravity 0.2 float in water. The difference between density and specific gravity is that density is an absolute quantity (mass per unit volume). \[1. Cookies are only used in the browser to improve user experience. Map: Fundamentals of General Organic and Biological Chemistry (McMurry et al. All you need to do is give the input as material density, water density in the below boxes and press on the calculate button. Divide the volume of the original waste (9 ,500 L) by the volume of the sample (2 L) to obtain the result 4,750 (9,500 2). Engineers and scientists typically refer to tables of specific volume values. Specific volume is most often used in engineering and in thermodynamics calculations for physics and chemistry. One application of specific gravity is to predict whether a substance will float or sink when placed on another substance. defining something called the specific gravity? Density is the mass of an object per unit volume. It is used to make predictions about the behavior of gases when conditions change. cubed float in oil that has a density of 850 An \(18.2 \: \text{g}\) sample of zinc metal has a volume of \(2.55 \: \text{cm}^3\). Direct link to Mark Geary's post No dumb questions! kg = liter x density. that object divided by the density of water. plz tell the reference book which u given such data.i m confusinf by ur solution. specific gravity is the density of the substance as compared to water. [MUSIC PLAYING]. What Is the Densest Element on the Periodic Table? If the chamber's volume is held constant while some molecules are removed, the density decreases and the specific volume increases. You known that ice floats in water and it can be seen from the table that ice is less dense. As a result a buoyant force pushing upwards is created from the larger pressure pushing on the bottom of the object versus the lower pressure pushing on the top. Welcome to the OnlineConversion.com forums. JavaScript is disabled. specific gravity of 0.92. Specific gravity = Density of the substance / Density of water. %PDF-1.4 % Calculating the Concentration of a Chemical Solution. Thus, the density of A is 2.79 g/cm3 and the density of B is 2.67 g/cm3. To convert weight (mass) to volume, divide the mass of the substance by the density. This might be a dumb question, but what's the name for the symbol to represent specific gravity? People usually choose that temperature as it is when water is at its densest. The specific Notice that density is defined in terms of two dissimilar units, mass and volume. What are we comparing? %%EOF gravity=(rho " solution")/(rho " water at " 4^oC) 2. We are working on allowing guests to post, sorry for the trouble. Just use the density of oil 154 ml 1. If specific volume doubles, density is cut in half. For instance, the 0000004993 00000 n When we place the values in our lives, we get: 1 gallon is about 4 liters. For a better experience, please enable JavaScript in your browser before proceeding. Use a scale to measure the mass of that volume: Calculate the density of the substance with the ratio: Choose your reference substance and calculate its density: Calculate the ratio between the densities. The value of the acceleration of gravity g at Earth's surface is 9.8 m/s 2, so a mass of 10 kg would have a weight of 10 kg 9.8 m/s 2 = 98 kg m/s 2. 'brix * 10' simply corrects the Brix value from being grams per 0000007778 00000 n You are using an out of date browser. to use a cube that had a density of 2,700 Knowledge of density is important in the characterization and separation of materials. [13.7 mL x (1.18 g/mL) = 16.2 g is the mass of the hydrochloric Besides, the mass of the object can be in grams, kilograms, and pounds. of 13.7 mL (16.2 g) of hydrochloric acid solution measured, remember that 0000004030 00000 n The usual standard of comparison for solids and liquids is water at 4 C (39.2 F), which has a density of 1.0 kg per litre (62.4 pounds per cubic foot). And it'll have exactly 100% Helmenstine, Anne Marie, Ph.D. (2020, August 25). are referring to the specific gravity, 3. 0000113119 00000 n In the beginning of the video, what it the large p respresent? Please help me out. Possible to create laminar flow in fast moving air? The S.G. of your filtrate is 1.000008. total volume of this wood is going to be submerged below Both liquid and solid materials can have a variety of densities. In everyday usage in a laboratory, this unit is awkwardly large. Google use cookies for serving our ads and handling visitor statistics. 77 29 For liquids and gases, the temperature will affect the density to some extent. Values are given to seven significant figures ( the odd result may show 9's or 0's over running). I think you're off by a factor of 1000 on that conversion of gallons to liters. This means that for every 100 grams of hydrochloric acid, 37.3 grams 0000001860 00000 n What is he mass of \(2.49 \: \text{cm}^3\) of aluminum? Gases are much less dense than solids and liquids, so their densities are often reported in \(\text{g/L}\). What if the specific gravity of the object is the same as the specific gravity of the liquid? The differences in intermolecular interactions, the density of substance can change at different rates compared to the density of water, that's why the specific gravity also changes with changing pressure and temperature. Theoretically, the equilibrium is achieved with it floating just below de surface. The density of water is 1,000 If the material is something other than water, you could post the substance, and someone may be able to find the density. Note that you'll get the same result whatever units of density you use, as long as they are both the same. Webspecific gravity, also called relative density, ratio of the density of a substance to that of a standard substance. specific gravity of 0.6, 60% of the wood I think its the lower case greek letter, rho, to describe density. are from the HCl and the remainder of the mass is water. The "specific" part of a specific volume means that it is expressed in terms of unit mass. Only emails and answers are saved in our archive. The main cause of the rise in the ocean levels is not because of the melting of ice that's floating in the seas and oceans. OK, so why even bother Standard temperatures vary depending on industry and the material you are measuring. So, we can specify the specific gravity by dividing the mass of an object with the mass of the water. It is the ratio of a material's volume to its mass, which is the same as the reciprocal of its density. The Gr, Posted 9 years ago. Direct link to Revathinandaak's post the liquid mixture with t, Posted 6 years ago. relative to the density of water) of hydrochloric acid solution is 1.18 g/mL. Solve the fraction value to get the answer. If the gas constant is 0.596 what is the specific volume of the steam? Question: The density of gasoline is 721 kilograms per cubic meter. In problem 1, the mass is equal to the density multiplied by the volume. Using the above example of 13.7 mL (16.2 g) of hydrochloric acid solution measured, remember that the mass is of the solution, not HCl. Density is the ratio of the mass of an object to its volume. H3O+ and Cl-). But you can't have more than Nothing stops you from computing the specific density using different reference substances! 77 0 obj <> endobj Specific Gravity Calculator: Need to solve the specific gravity of a material in fraction of seconds? 0000005867 00000 n Then, you can use our online calculator tool. How to use the specific gravity calculator? 0000003517 00000 n 5. Direct link to V_Keyd's post The main cause of the ris, Posted 7 years ago. If the chamber's volume is held constant while new molecules are added, the density increases and the specific volume decreases. Rather, they are aqueous solutions of these substances in the form The SI units of density are kilograms per cubic meter \(\left( \text{kg/m}^3 \right)\), since the \(\text{kg}\) and the \(\text{m}\) are the SI units for mass and length respectively. WebYou can calculate specific gravity with this simple equation: Density of the fluid Density of water = Specific Gravity Water always has a density of approximately 1,000 kilograms per cubic meter. Due to changes in this version of the forum software, you are now required to register before you may post. 4. 0000011425 00000 n For this to work, the density must be defined using the same units of mass and volume as referenced in the rest of the formula. To convert mass to moles, we need the molecular weight. The specific gravity of mercury is 13.574 (using water as a reference). The formula to convert kg to liters can be rewritten in the same way. why does the fraction submerge underwater is the specific gravity ? It is therefore unitless. \: \: 50.0 \: \text{g} \times \frac{1 \: \text{cm}^3}{2.70 \: \text{g}} = 18.5 \: \text{cm}^3\]. Since materials aren't always under standard conditions, there are also tables for materials that list specific volume values over a range of temperatures and pressures. WebUnit Converter with commonly used Units - Common converting units for Acceleration, Area, Density, Energy, Energy per unit mass, Force, Heat flow rate, Heat flux, Heat generation per unit volume and many more. That being said, water is often the reference substance. Volume = Mass Density. 120 USD/kg = 120 UDS/liter = 454 UDS/gallon. 270% of this cube would be submerged of ketchup up is 1.4. v = refers to the volume of the object. Enter a value into the specific gravity row first, to show the density of the material. All times are GMT-8. WebTo use the measurement conversion calculators simply enter a number value into the desired field and click calculate. Moreover, you will learn more about the specific gravity and how to solve specific gravity questions by hand from this page. Copyright 1997-20014, OnlineConversion.com. to let some wood of density 638 kilograms per meter about specific gravity is that, for What is the volume of \(50.0 \: \text{g}\) of aluminum? What is its specific gravity? Hydrometers can contain any number of scales along the stem corresponding to properties correlating to the density. \[ \begin{align} \text{density} &= \dfrac{\text{mass}}{\text{volume}} \label{eq1} \\[4pt] D &= \dfrac{m}{V} \label{eq2} \end{align}\]. Direct link to Mark Zwald's post All objects have a buoyan, Posted 5 years ago. I was taught that density of ice is less than that of water,also most of the ice is underwater, so why does the water level of oceans rise when ice melts due to global warming.., shouldn't the water level be decreasing because same mass of water occupies lesser volume when compared to that of same mass of ice? Common units for density include g/mL, g/cm3, g/L, kg/L, and even kg/m3. But what if we were Use the equation for density, \(D = \frac{m}{V}\), and dimensional analysis to solve each problem. This is called thermal expansion of water. Specific gravity is the density of your material divided by the density of the reference material (pure water). Specific gravity values are usually given at one atmosphere of pressure (1013.25 kPa). Alternatively, corn syrup, being denser, would sink if placed in water. kilograms per meter cubed, you could still find the The one that looks like a p. Thanks! instead of the density of water in the specific gravity formula. We also acknowledge previous National Science Foundation support under grant numbers 1246120, 1525057, and 1413739. EasyUnitConverter.com. For instance, if you were )%2F01%253A_Matter_and_Measurements%2F1.12%253A_Density_and_Specific_Gravity, \( \newcommand{\vecs}[1]{\overset { \scriptstyle \rightharpoonup} {\mathbf{#1}}}\) \( \newcommand{\vecd}[1]{\overset{-\!-\!\rightharpoonup}{\vphantom{a}\smash{#1}}} \)\(\newcommand{\id}{\mathrm{id}}\) \( \newcommand{\Span}{\mathrm{span}}\) \( \newcommand{\kernel}{\mathrm{null}\,}\) \( \newcommand{\range}{\mathrm{range}\,}\) \( \newcommand{\RealPart}{\mathrm{Re}}\) \( \newcommand{\ImaginaryPart}{\mathrm{Im}}\) \( \newcommand{\Argument}{\mathrm{Arg}}\) \( \newcommand{\norm}[1]{\| #1 \|}\) \( \newcommand{\inner}[2]{\langle #1, #2 \rangle}\) \( \newcommand{\Span}{\mathrm{span}}\) \(\newcommand{\id}{\mathrm{id}}\) \( \newcommand{\Span}{\mathrm{span}}\) \( \newcommand{\kernel}{\mathrm{null}\,}\) \( \newcommand{\range}{\mathrm{range}\,}\) \( \newcommand{\RealPart}{\mathrm{Re}}\) \( \newcommand{\ImaginaryPart}{\mathrm{Im}}\) \( \newcommand{\Argument}{\mathrm{Arg}}\) \( \newcommand{\norm}[1]{\| #1 \|}\) \( \newcommand{\inner}[2]{\langle #1, #2 \rangle}\) \( \newcommand{\Span}{\mathrm{span}}\)\(\newcommand{\AA}{\unicode[.8,0]{x212B}}\), status page at https://status.libretexts.org, Ice \(\left( 0^\text{o} \text{C} \right)\), Water \(\left( 4^\text{o} \text{C} \right)\). The molecular weight It is a unitless quantity, like most ratios in physics. the object divided by the density of water. Comparing density yields specific gravity values. A hydrometer usually consists of a sealed hollow glass tube with a wider bottom portion for buoyancy, a ballast such as lead or mercury for stability, and a narrow stem with graduations for measuring. -).3 z d/HFs/i:X9 .Q :I!`j{B ett }B; 0@%@4klT(dqq +fR@20 M Q-b`66(Sh )l7i)`G1010fdrcXhw20401U0a:$EaGe1,ap*4C,2olx&(L%@ r Why? Now imagine a similar size ball made out of lead. density of gold is 19,300 kilograms Direct link to maite.cintron's post why does the fraction sub, Posted 8 years ago. Please read AddThis Privacy for more information. 0000010945 00000 n <<67DD8391A020BF43B6F4BF004DF43282>]>> 0000008512 00000 n If the object has a larger downward force from gravity than the upward force from buoyancy, the object floats otherwise it will sink. Similarly, specific volume is an intensive property of matter that is unaffected by how much of a substance exists or where it was sampled. Body fat has a specific density less than 1, so a person with more body fat will float. Examine the table below. Since a cubic centimeter is equal to a milliliter, density units can also be expressed as \(\text{g/mL}\). of hydrochloric acid, only [7.04 g x 0.373] = 2.63 To do that, we use the specific gravity formula: specific gravity of ice = 916.7 / 1000 = 0.9167. Use this free circumference calculator to find the area, circumference and diameter of a circle. We will call 0.45359237 the mass conversion factor - mcf Matematically we write: mass in kilograms = mass in pounds mcf or m kg = m lb mcf (1) The specific gravity formula is given as. Helmenstine, Anne Marie, Ph.D. "Specific Volume." Both are quantities that express the density of a substance compared to the one of a reference substance, which is usually water. 1. 0000007062 00000 n As much steam as possible from engine exhaust gas + warm water? Specific Gravity is the weight compared to water. Metals are expected to have a density greater than that of water and zinc's density falls within the range of the other metals listed above. 0000002564 00000 n Where as specific gravity is used in industries to measure the concentration of solutions. specific gravity 1.5 would mean 3000 kg = 1500 liters specific gravity 0.5 would mean 3000 kg = 4500 liters You would either multiply the liter side or divide the kg side. Read on to learn how to find specific gravity by providing the specific gravity formula, explore what specific gravity is, and compare specific gravity vs. density. If you multiply the given volume by the known density (from Table \(\PageIndex{1}\)), the volume units will cancel and leave you with mass units, telling you the mass of the sample: Start with Equation \ref{eq1} \[\text{density} = \dfrac{m}{V} \nonumber\], \[\dfrac{2.7g}{cm^3} = \dfrac{m}{7.88 \, cm^3} \nonumber\]. acid or base (mol/L), Normality of conc. HTM0W/6Rrk{@>t;cm{7y. And that's how to calculate specific gravity. Thank you so much!!!!!! Give it a go! Something with a specific gravity of 1.0 weighs 1.0 times the weight of water. 1 gallon is about 4 liters. Well, one really cool thing A specific gravity of 1.19 means that it weighs 1.19 times the weight of water. 0000006832 00000 n Lookup the density of your sample material (or calculate it using our density calculator), then it divide by the density of freshwater at 4C4\ \mathrm{\degree C}4C, which is 1000kg/m31000\ \mathrm{kg/m^3}1000kg/m3 (62.428lb/ft362.428\ \mathrm{lb/ft^3}62.428lb/ft3). If the relative density is exactly 1 then the densities are equal. Density is the ratio of the mass of an object to its volume. endstream endobj 78 0 obj <> endobj 79 0 obj <> endobj 80 0 obj <>/ProcSet[/PDF/Text]/ExtGState<>>> endobj 81 0 obj <> endobj 82 0 obj <> endobj 83 0 obj <> endobj 84 0 obj <> endobj 85 0 obj <> endobj 86 0 obj <> endobj 87 0 obj <> endobj 88 0 obj <>stream Webdissolved solids = gravity * (brix * 10) The gravity tells us how much 1 litre of the liquid weighs (in kg) - we then multiply this by the dissolved solids ratio to give dissolved solids per litre. percent of the wood that's submerged underneath the oil. acid is actually a 37.3% solution of HCl in water. So, the fraction submerge underwater is the specific gravity. 's post Can an object with a spec, Posted 8 years ago. Posted 9 years ago. liter = kg / density. 1 liter of water weighs 1 kilogram. kilograms per meter cubed. You may also visit our density conversion calculator to learn more about the weight to volume ratio of a substance in different units or our API gravity calculator if you are interested in the heaviness of crude oil compared to water. - specific gravity vs density. How exactly does a turbine convert mechanical energy into electrical? Formula for calculating litres into kilgrams &, Copyright 1997-20014, OnlineConversion.com. an object is greater than 1, that object is going to sink The liquid to test is poured into a tall container, often a graduated cylinder, and the hydrometer is gently lowered into the liquid until it floats freely. That means ice has a Because of how it is defined, density can act as a conversion factor for switching between units of mass and volume. 4. what if the liquid was made of a mixture of liquids with different densities, the liquid mixture with the specific gravity lesser than one will form a layer on top of the liquid while the liquid mixture with greater specific gravity will form a layer on the bottom of the liquid. According to google the specific gravity of a human body is 1.01 so technically we should sink in water. It is important to distinguish of HCl is 36.47 g/mol. Direct link to Kay Gopinath's post Does specific gravity det, Posted 5 years ago. Normally, we don't weigh liquid solutions, we measure the volume. the water while it's floating. Cross multiplying both sides (right numerator x left denominator = left numerator x right denominator), we get the following expression with answer and appropriate unit. We don't collect information from our users. Webit (for this example, assume a weight of 3 kg). Because a mass of \(1 \: \text{cm}^3\) of aluminum is \(2.70 \: \text{g}\), the mass of about \(2.5 \: \text{cm}^3\) should be about 2.5 times larger. 0000004132 00000 n If \(1 \: \text{cm}^3\) of zinc has a mass of about 7 grams, then 2 and a half \(\text{cm}^3\) will have a mass about 2 and a half times as great. What is the difference between density and specific gravity? will be below the water while it's floating. If you're seeing this message, it means we're having trouble loading external resources on our website. So if the specific gravity of It is anintrinsic property of matter, which means it does not depend on sample size. No, if the object displaces an amount of water whose weight is greater than the object's weight, then it will float. kg side liter side 3000/1.5 = 1500 Oechsle scale - used in brewing and to measure density of grape must, Twaddell scale - used in the bleaching and dyeing industry. WebThe Specific Gravity can be calculated as SG = gas / air [3] where SG = specific gravity of gas gas = density of gas [kg/m 3] air = density of air (normally at NTP - 1.204 [kg/m 3 ]) NTP - Normal Temperature and Pressure - defined as 20 o C (293.15 K, 68 o F) and 1 atm ( 101.325 kN/m2, 101.325 kPa, 14.7 psia, 0 psig, 30 in Hg, 760 torr) Specific gravity (also referred to as relative density) is the ratio of the density of a material compared to the density of water at 4C4\ \mathrm{\degree C}4C (39.2F39.2\ \mathrm{\degree F}39.2F). That means that density overall has derived units, just like velocity. Direct link to talatisaumil's post In the beginning of the v, Posted 7 years ago. DrClaude said: If it was water (specific gravity = 1), then 1 kg = 1 liter, and since 1 gallon 3,785 liter, that's. Direct link to Mark Geary's post Body fat has a specific d, Posted 7 years ago. each other out. kilograms: Calculate: liters: Volume to Weight Conversion. Then what if we put a paper in water? The specific gravity of the liquid can be estimated from its density the same way as in our specific gravity calculator using the equation below: Specific gravity = Liquid / water, where the density of water is taken as 999 kg/m. (You can cite the Lab Manual as the source for these data.). would be 2.7, which means that Different versions of the scale may use different reference temperatures. Help with wheels, stopping forces and possibly Simpack, Heat loss from the temperature difference. This page was generated at 09:48 AM. The standard unit for specific volume is cubic meters per kilogram (m3/kg), although it may be expressed in terms of milliliters per gram (mL/g) or cubic feet per pound (ft3/lb). You can find detailed tables for air and steam. Also, the density directly relates to the mass of the object. ), Molarity of conc. Even if the object were to sink, I need to kmow how many kiloliters are ion 52 liters. Let us take the any material density and density of water. These representative values are for standard temperature and pressure (STP), which is a temperature of0C (273.15 K, 32F) and pressure of 1 atm. This grams to cc converter helps you quickly calculate the volume out of mass and density. Below presented are the simple & easy steps to compute the material specific gravity. She has taught science courses at the high school, college, and graduate levels. 0000049801 00000 n Nevertheless, if you struggle understanding it, then read the following instruction: We've also included some examples of specific gravities of common materials that you can quickly lookup. This page was generated at 09:51 AM. 920 kilograms per meter cubed. A is denser than B, so A would sink into B or B would float on A. Due to changes in this version of the forum software, you are now required to register before you may post. gravity" mean? that's different from water. Converting Effective Mechanical Load to Newtons (Capybara). 2023 Physics Forums, All Rights Reserved, Need to determine force required to use pneumatic pistons to tilt a 55 gallon drum. The logs float on the water because they are less dense than the water they are in. Change the given numbers into same units. Water has a density of \(1.0 \: \text{g/mL}\). You can target the Engineering ToolBox by using AdWords Managed Placements. WebAnswer (1 of 4): specific gravity is the ratio of the density of a substance to the density of a reference substance. the maximum amount submerged would be 100%. volume to mass, we need the density of the solution. Need some quick help after your class? A golf ball and a table tennis ball are about the same size. Can an object with a specific gravity of 1 vary in how deep it is submerged or will it always just float directly beneath the surface of the fluid? The specific gravity, for example, gives you a quick indication of the buoyancy of an object: if it's greater than 1, the object will sink; if it's smaller than 1, the object will float. volume submerged beneath the surface of the oil. 0000005604 00000 n Water is often used as a reference when calculating the specific density, mainly due to its omnipresence. So a specific gravity of 1.2104 means it has a density of 1.2104 kilogram/liter. https://www.thoughtco.com/specific-volume-definition-and-examples-4175807 (accessed March 4, 2023). The third equation only applies to ideal gases or to real gases at relatively low temperatures and pressures that approximate ideal gases. For instance, say you let a cube The mileage for a motorcycle with a fuel-tank capacity of 22L is 35 miles per gal. This will mean that it will not sink,but fully submerge under the liquid-hovering! Use Omni's inductors in series calculator to work out the equivalent inductance of a series circuit. Direct link to DAVID's post What makes wood, and ice , Posted 7 years ago. This unit is called a newton (N). Let's practice by finding the specific gravity of ice, which has a density of 916.7kg/m3916.7\ \mathrm{kg/m^3}916.7kg/m3 (57.23lb/ft357.23\ \mathrm{lb/ft^3}57.23lb/ft3). He also shows how to calculate the value for specific gravity and use it to determine the percent of an object that will be submerged while floating. Usually, we are ultimately interested in the number of moles of acid used. We don't save this data. The specific gravity (density relative to the density of water) of hydrochloric acid solution is 1.18 g/mL. I'll let you make the adjustment for the specific gravity of liquid B. I think you're off by a factor of 1000 on that conversion of gallons to liters. This is also the ratio of the densities of the two substances: The gravity causes the fluid pressure to be greater the more downward you go. To calculate the specific gravity of a substance, follow these easy steps: Isolate a known volume of the substance: V. Use a scale to measure the mass of that volume: m. Calculate the density of the substance with the ratio: = m/V.