Density Practice Problems - MS. LANKFORD'S CLASS PAGE



Math in Science: Density, Mass & VolumeDirections: On a separate sheet of paper, use the density formula & the 2 variations on the density formula to solve the following problems. Remember to follow & show all the steps as well as circle the final answer.Choose the correct equationDVMShow the given informationSubstitute the given into the equation.Solve for the correct numerical answer (all numbers should be rounded to the thousandths place).Have the correct units with the numerical answer.An irregular object with a mass of 18 kg displaces 2.5L of water when placed in a large overflow container. Calculate the density of the object.A block of aluminum has a volume of 15.0 mL and weighs 40.5 g. What is its density?Mercury metal is poured into a graduated cylinder that holds exactly 22.5 mL. The mercury used to fill the cylinder weights 306.0 g. Calculate the density of mercury.What is the mass of ethyl alcohol that exactly fills a 200 mL container, if the density of ethyl alcohol is 0.789 g/mL?Determine the mass of benzene if it has a density of 0.8765 g/mL and there is 250.0 mL.What is the mass of the silver (Ag) if takes up 35 cm3 worth of space and has a density of 10.5 g/cm3?An aluminum cylinder has a mass of 540 grams and a density of 2.70 g/ml. Calculate the volume of the aluminum cylinder.What volume would a 0.871 gram sample of air occupy if the density of air is 1.29 g/L?A platinum bar measures 5.0 cm long, 4.0 cm wide and 1.5 cm thick. It has a mass of 700.0 grams. Calculate the density of the platinum bar.A sample of sea salt weights 158 g. When added to a beaker volume of the beaker changed from 90 mL and to 246 mL. What is the density of the sea salt sample?A cube of aluminum has the dimension 2 cm by 3 cm by 5 cm and weighs 40.5 g. What is its density?Sugar is used to fill the cube in problem 11 and the weight of sugar used is equal to 316.0 g. What is the sugar’s density?What is the mass of the ethyl alcohol that exactly fills a 200.0 mL container? The density of ethyl alcohol is 0.789 g/ml.What volume of silver metal will weigh exactly 2500.0 g? The density of silver is 10.5 g/cm3Helium gas stored inside a large weather balloon weighs 13.558 g. What is the volume of this balloon if the density of helium is 0.1786 g/mLWhat is the mass of 215 L of hydrogen sulfide gas if the density of hydrogen sulfide is 1.54 g/L?A pencil has a density of .875 g/ml. It has a mass of 3.5 grams. What is the volume?What is the mass of a 513.06 ml quantity of ice if the density of ice is 0.93 g/ml.If a piece of cubed piece of oak (wood) has a density of 0.85 g/mL a length of 5 cm, calculate the wood’s mass.Calculate the volume of a cylindrical glass tube of length 27.75 cm and the radius 2.00 cm.(Volume of a cylinder = πhr2)If the tube in problem 20 weighs 188.25 g when empty and the tube filled with Argon gas weighs 188.87 g. What is the density of argon gas?Calculate the volume of a rectangular pyramid if its height is 91.44 cm and its length & width are both 45.72 cm.(Volume of a rectangular pyramid = ?lwh)If the pyramid in problem 22 was made of gold, what would be its mass? The density of gold is 19.3 g/cm3.What is the mass of the pyramid in problem 23 in pounds if 454 grams equal 1 pound?What would be the mass of the pyramid in problem 23 be in pounds if the pyramid was made of silver which has a density of 10.5 g/cm3. ................
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