Density review quiz

650 grams of ethanol has a volume of 824 mL. What is the density of ethanol?

• 7.89 g/mL
• 0.789 g/mL
• 1.268 g/mL
• 12.67 g/mL

A "C" battery with a mass of 124 grams is placed in a graduated cylinder that contains 34 mL of water. The water volume shows 42 mL after the battery has been added. What is the density of the battery?

• 3.65 g/mL
• 0.06 g/mL
• 1.63 g/mL
• 15.5 g/mL

A rectangular block of cobalt with a length of 12 cm, a width of 3 cm, and a height of 3 cm is placed on a triple-beam balance. The block of cobalt shows a mass of 961.2 grams. What is the density of the block?

• 8.9 g/cm³
• 53.4 g/cm³
• 11.4 g/cm³
• 0.1 g/cm³

A piece of mahogany with a volume of 1350 cm³ has a mass of 1715.4 g. What is the density of the wood?

• 365.4 g/cm³
• 1.27 g/cm³
• 0.79 g/cm³
• 10.4 g/cm³

True or False-  Mass can be measured in grams or kilograms

• True
• False

True or False - 1 mL is equal to 1 cubic centimeter (1 cm³).

• True
• False

True or False - Mass is measured in a graduated cylinder.

• True
• False

If you need to find the volume of an irregularly shaped object, place it underwater in a graduated cylinder and calculate the water displacement.

• True
• False

A mystery metal is determined to have a mass of 145 grams and a volume of 13.8 mL. Given the values below, determine the identity of the metal.

• 7.17 g/mL, it is ZINC
• 8.96 g/mL, it is COPPER
• 10.49 g/mL, it is SILVER
• 11.36 g/mL, it is LEAD

An old miner brings his find to town to sell. He tells the jeweler that he has found pure gold. The jeweler determines the mass of the metal to be 453.6 grams. The jeweler determines that the volume of the metal is 23.5 mL. Gold has a density of 19.3 g/mL. Did the miner really find gold?

• Yes, the density is 19.3 g/mL
• No, the density is not 19.3 g/mL