Density Practice Problem Answers

Fill in the blanks with the correct answer.

1. The ratio of an object's mass to its volume is called the __DENSITY_______ of the object.

2. A kilogram of lead occupies a much smaller volume than a kilogram of water because __LEAD__ has a much higher density.

3. Typically, gases have very __LOW____ densities compared to solids & liquids.

4. The most common units for density are __g/mL or g/cm³___.

5. The __VOLUME_____ of an insoluble object, such as a person can be determined indirectly by measuring how much water the

object displaces.

6. Density may be used as an aid in identifying substances, because every sample of a pure substances always has the SPECIFIC

density.

Using a calculator, answer the following questions. Show all work!

1. Find the density of Magnesium with a mass of 5.00g and a volume of 2.87 mL. 1.74 g/mL

2. Find the density of Aluminum with a mass of 11.0 g and a volume of 4.07 mL. 2.70 g/mL

3. Find the density of Iron with a mass of 3.00 g and a volume of .380 mL. 7.90 g/mL

4. Find the mass of Silver with a volume of .570 mL and a density of 10.5 g/ mL. 5.99 g

5. Find the mass of Lead with a volume of 1.000 mL and a density of 11.34 g/cm³. 11.34 g

6. Find the volume of Gold with a mass of 67.62 g and a density of 19.32 g/cm³. 3.500 mL

7. Find the volume of Salt with a mass of 10.0 g and a density of 2.16 g/cm³. 4.63 mL

8. Find the volume of Copper with a mass of 44.8 g and a density of 8.96 g/cm³. 5.00 mL

9. Mercury has a density of 13.6 g/cm³. What volume of mercury must be taken to obtain 225 g of the metal? 16.5 mL

10. A platinum medallion has a mass of 55.64 g and a volume of 2.60 mL. What is its density? 21.4 g/mL