Question

Density Word Problems

Use the following formula to answer the problems. You must SHOW your work!

density =

mass

volume

or in short form

d =

1. What is the density of carbon dioxide gas if 0.196 g occupies a volume of 100 mL?

2. A block of wood 3.0 cm on each side and has a mass of 27 g. What is the density of this block?

3 An irregularly shaped stone was lowered into a graduated cylinder holding a volume of water equal to 2.0 ml. The height of the water rose to 7.0 ml. If the mass of the stone was 25 g, what was its density?

4. A 10.0 cm sample of copper has a mass of 89.6 g. What is the density of copper?

5. Silver has a density of 10.5 g/cm and gold has a have a greater mass, 5 cm' of silver or 5 cm'of gold? of 19.3 g/cm. Which would

6. Five ml of ethanol has a mass of 3.9 g and 5.0 mL of benzene has Which liquid is denser? mass of 4.4 g.

7. A sample of iron has the dimensions of 2 cm x 3 cm x 2 cm. If the mass of this rectangular-shaped object is 94 g, what is the density of iron?

8. A rectangular solid of unknown density is 5 meters long, 2 meters high, and 4 meters wide. The mass of this solid is 300 grams. Given this information for this homogeneous material, calculate the density.

9. A rock occupies a volume of 20 cm' and has a mass of 54 g. Find the density of this rock.

10. A rock has a density of 4 g/mL and a mass of 16 g. Find the volume of the rock.

Answer 1

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