To find an object’s density (D), first measure its mass (m) and volume (V). Then use the following equation:
D = m/V

Densities of Common Substances

Substance Density (g/cm3)
Water (liquid) 1.00
Silver (solid) 10.50
Lead (solid) 11.35
Examine the above equation and table. Robin has a lead ball with a mass of 227 g. What is its volume?
A.
476.7 g3
B.
20 g3
C.
20 cm3
D.
11.35 g/cm3