Density Calculations
Solve each problem and answer each question as completely as possible. Label all answers with units to receive full credit. Watch significant figures!
1. Write the formula for density below. Next to it, write the 2 possible units for density and what each will measure.
2. What is the density of an object that has a mass of 8.1 g and a volume of 3.00 cm3?
3. You find an object lying in the park. You take it home and find it displaces 50.5 mL of water and has a mass of 227.25 g. What substance is the object made of?
4. The gasoline in an automobile gas tank has a mass of 60.0 kg and a density of 0.752 g/cm3. What is its volume in cm3?
5. A drop of acetone (nail polish remover) has a mass of 35 mg and a density of 0.788 g/cm3. What is its volume in cubic centimeters?
6. A pure gold metal bar displaces 0.82 L of water. What is its mass in kilograms?
7. A 55.9-kg person displaces 57.2 L of water when submerged in a water tank. What is the density of the person in grams per cubic centimeter?
8. A gold-colored pebble is found in a stream. Its mass is 23.2 mg and its volume is 1.20 mm3. What is its density in grams per cubic centimeter? Is it gold?