Exercises of Density
1. A piece of glass has a mass 10 kg and has a volume 2 m³. Calculate
density of a glass!
2. The density of air is 1.3 kg/m³. What is the mass of 5 m³?
3. A sample of 50 cm³ of kerosene has a mass of 35 gram. Find its density!
4. The density of mercury 250 kg/m³. Find the volume of 12,5 kg of
mercury!
Use the table below to answer question number 5-7!
Kind of Material
Glass
Density (g/cm3)
2,6
Aluminum
2,7
Iron
7,9
Copper
8,9
Gold
19,3
5. Five cubes which have equal mass are made of glass, aluminum, iron,
copper and gold. Which cube has the biggest volume? Explain!
6. Five cubes which have equal volume are made of glass, aluminum, iron,
copper and gold. If they are weighed, which cube has the biggest mass?
Explain!
7. A kind finds a ring on the street. Then, she measures the weight of the
ring. The mass of the ring is 9,1 grams and its volume is 0,5 ml. Is the
ring made of pure gold? Explain!