This is a collection of ten chemistry test questions with answers dealing with the density of matter. The answers for each question are at the bottom of the page.
Question 1500 grams of sugar occupies a volume of 0.315 L. What is the density of the sugar in g/mL?
Question 2The density of a substance is 1.63 g/mL. What is the mass of 0.25 L of the substance in grams?
Question 3The density of pure solid copper is 8.94 g/mL. What volume does 5 kg of copper occupy?
Question 4What is the mass of a 450 cm³ block of silicon if the density of silicon is 2.336 g/cm³?
Question 5What is the mass of a 15 cm cube of iron if the density of iron is 7.87 g/cm³?
Question 6Which of the following is greater?
a. 7.8 g/mL or 4.1 μg/μL
b. 3 x 10-2 kg/cm3 or 3 x 10-1 mg/cm3
Question 7Two liquids, A and B, have densities 0.75 g/mL and 1.14 g/mL respectively.
When both liquids are poured into a container, one liquid floats on top of the other. Which liquid is on top?
Question 8How many kg of mercury would fill a 5 L container if the density of mercury is 13.6 g/cm³?
Question 9How much does 1 gallon of water weigh in lbs?
Given: Density of water = 1 g/cm³
Question 10How much space does 1 lb of butter occupy if the density of butter is 0.94 g/cm³?
Answers1. 1.587 g/mL
2. 407.5 g
3. 559 mL
4. 1051.2 g
5. 26561 g or 26.56 kg
6. a. 7.8 g/mL b. 3 x 10-2 kg/cm3
7. Liquid A. (0.75 g/mL)
8. 68 kg
9. 8.33 lbs (2.2 kg = 1 lb, 1 L = 0.264 gal)
10. 483.6 cm³