Concentration and Density

The density of pine is generally about 0.5 g/cm³ . What is the mass of a 800 cm³ piece of pine?

Hint: density = mass/volume

• 0.000625 g

• 1600 g

• 400 g

• 16000 g

What is the volume of 325 g of metal with a density of 9.0 g/cm³ ?

Hint: Density = mass/volume

• 36.11 cm³

• 0.03 cm³

• 2925 cm³

• 361.11 cm³

A sealed 2500 cm³ flask is full to capacity with 0.36 g of a substance. Determine the density of the substance.

Hint: Density = mass/volume

• 6944.44 g/cm³

• 900 g/cm³

• 0.0000144 g/cm³

• 0.000144 g/cm³

A piece of tin has a mass of 16.52 g and a volume of 2.26 cm³. What is the density of tin?

Hint: density = mass/volume

• 7.3 g/cm³

• 37.3 g/cm³

• 7.3 cm³/g

• 37.3 cm^3/g

Diamonds have a density of 3.5 g/cm³ . How big is a diamond that has a mass of 0.10 g?

Hint: density = mass/volume

• 35 cm³

• .35 cm³

• 0.002 cm³

• 0.03 cm³

A block has a mass of 20.0 g and a volume of 40.0 cm³. What is its density?

• 2.0 g/cm³

• 1.2 g/cm³

• 0.5 g/cm³

• 4.0 g/cm³

The mass of an object is 30 g.  The volume is 5 mL.  What is the density of this object?

• 3 g/cm

• 6 g/mL

• 8 g

If you have a gold brick that is 2 cm by 3 cm by 4 cm and has a density of 19.3 g/cm³, what is its mass?

• 263.5 g/cm³

• 463.2 g

• 0.804 kg

• 2.804 g

Jack has a rock. The rock has a mass of 14g and a volume of 2cm³. What is the density of the rock?

• 9 mL

• 7 g/cm³

• 28 g/cm³

• 1/7 g/cm³

A piece of copper has a mass of 89g and a volume of 10.0 cm3. What would be the density of the copper?

• 0.89 g/cm3

• 89 g/cm3

• 8.9 g/cm3

• 890 g/cm3