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A ruby has a density of 3.9 g/cm³. What is the mass of the ruby, if its volume is 5 cm³? A. 0.78 g B. 1.28 g C. 8.9 g D. 19.5 g
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A ruby has a density of 3.9 g/cm³. What is the mass of the ruby, if its volume is 5 cm³?

A. 0.78 g
B. 1.28 g
C. 8.9 g
D. 19.5 g

User Anton Starcev
by
4.7k points

1 Answer

3 votes
Density=mass÷volume
mass=density×volume
mass=3.9×5=19.5 g
User Alexander Paschenko
by
4.8k points
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