Density Math Problems
Vocabulary
Sink or Float?
Which is more dense?
100

What is the formula for finding density?

Density = Mass / Volume

100

What is density?

The amount of mass per unit volume of a substance.

100

Will an object with 0.65 g/cm3 sink or float in a liquid with a density of 0.75 g/mL?

It will float.
100

Which is more dense? Fresh water or salt water?

Salt water

200

What is the density of a liquid that has a mass of 27 grams and a volume of 30 ml?

0.9 g/ml

200

What is mass?

The amount of matter in an object

200

Will an object with a density of 19.1 g/cm3 sink or float in water?

Sink

200
Which is more dense: cooking oil or fresh water?

fresh water

300

A block of aluminum occupies a volume of 15.0 mL and weighs 40.5 g. What is its density?

2.70 g/ml

300
What is volume?

The amount of space that a substance or object occupies.

300

Will a cooking oil with a density of .91 sink or float in salt water?

Float

300

Which is more dense: honey or water?

honey

400

Calculate the density of sulfuric acid if 35.4 mL of the acid weighs 65.14 g.

1.84 g/mL

400

What is specific gravity?

Specific gravity of a substance is measured by comparing its density with the density of water.

400

Mercury is a metal that is a liquid at room temperature and has a density of 13.5 g/cm3. Will lead (desnity 11.4 g/cm3) sink or float in liquid Mercury? 

Float

400

Which is more dense?

Liquid water or ice?

Liquid water

500

Find the mass of 250.0 mL of benzene. The density of benzene is 0.8765 g/mL.

219.1 g

500

What is neutral buoyancy?

When a substance has the same specific gravity as water, and does not float to the surface or sink.

500

Water, glycerin, vegetable oil, and alcohol are all poured into the same graduated cylinder. Based on the densities of each substance, which one will sink to the bottom of the cylinder?

Water (Density 1 g/mL)

Glycerin (Density 1.25 g/ml)

Vegetable Oil (Density 0.90 g/ml)

Alcohol (Density 0.81 g/ml)

Glycerin

500

Which solution will have the highest density?

50 g of sugar in 500 mL of solution

40 g of sugar in 400 mL of solution

30 g of sugar in 400 mL of solution

20g of sugar in 400 mL of solution

50 g of sugar in 500 mL of solution