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Chem 115 - General Chemistry I

Denisty

Density I

A cup of metal beads was measured to have a mass 425 grams. The volume of the beads was calculated to be 48.0 milliliters by water displacement. Given the following densities, identify the metal.  Densities: Gold: 19.3 g/cm3, Copper: 8.86 g/cm3, Bronze: 9.87 g/cm3 


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Density II

Ethylene glycol (antifreeze) has a density of 0.7857 g/cm3.

 

A. What is the mass of 417 mL of this liquid expressed in grams?

B. What is the volume of 4.1 kg of this liquid expressed in liters?

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Density III

Ethylene glycol (antifreeze) has a density of 0.7857 g/cm3. What is the mass of 417 mL of this liquid expressed in grams?

What is the volume of 4.1 kg of this liquid expressed in liters?

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Density IV

Diamonds are measured in carats, where 1 carat = 0.200 g. The density of diamond is 3.51 g/cm3. What is the volume of a 5.0-carat diamond expressed in mL?

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Density V

A small plane takes on 245 liters of fuel. If the density of the fuel is 0.821g/mL, what is the mass of the fuel expressed in grams?

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Density VI

A new penny has a mass of 2.49 grams and a volume of 0.349 cm3. Given that the density of copper is 8.86 g/cm3, determine if the penny made of pure copper. Explain.

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Density VII

The density of gold is 19.3 grams per cubic centimeter. What is the mass of a bar of gold in kilograms that measures exactly 6 inches by 4 inches by 2 inches?

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Density VIII

Human fat has a density of 0.918 g/mL. How much volume (in liters) is gained by a person who gains 10.0 pounds of pure fat? [453.59g = lb]

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