Concentration and Density

Calculate the mass of a liquid with a density of 2.5 g/ml and a volume of 15 ml.

• 37.5 g

• 0.16 g

• 6 g

• 0.126 g

Calculate the volume of a liquid with a density of 5.45 g/ml and a mass of 65 g.

• 11.93 ml

• 0.083 ml

• 354.25 ml

• 59.55 ml

A machine shop worker records the mass of an aluminum cube as 176 g. if the cube has a volume of 64 cm³, what is the density of the aluminum?

• 2.75 g/cm³

• 0.36 g/cm³

• 11264 g/cm³

• 112 g/cm³

A cup of sugar has a volume of 237 ml. What is the mass of the cup of sugar if the density is 1.59 g/ml?

• 376.83 g

• 149.07 g

• 0.007 g

• 0.785 g

A rectangular block of copper metal weighs 1896 g. The block has a volume of 212.52 cm³. From this data, what is the density of the copper block?

• 8.92 g/cm³

• 0.11 g/cm³

• 402937.92 g/cm³

• 526524.23 g/cm³

A solid magnesium flare has a mass of 1300 g and a volume of 743 cm³. What is the density of the magnesium?

• 1.75 g/cm³

• 0.571 g/cm³

• 9.65 g/cm³

• 10 g/cm³

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

• 7 g/cm3

• 7 mL

• 1/7 g/cm3

• 28 g/cm3

A piece of copper has a mass of 89g and a volume of 10 cm3.  What would be the density of the copper?

• 0.89 g/cm3

• 89 g/cm3

• 8.9 g/cm3

• 890 g/cm3

A city has a population of 8792 people. The area of the city is approximately 6.5 square miles. Approximately, how many people per square mile live in the city?

• 208

• 1000

• 1353

• 2000

There are approximately 17,620 people per square mile in New York City. If New York City is 468 square miles, approximately how many people live in New York City?

• 10,000,000

• 8,246,160

• 4,365,111

• 56,778,112