The density for gold is 19.3 g/cm³. What would be the mass of a 30 cm³ piece of gold?
A. 1,158g
B. 570g
C. 579g
D. 1.55g

The answer is C.

Explanation:

It is given that the formula of density is, ρ = m/v where m is the mass of object and v is the volume of object. By using this formula, you are able to find the mass of gold :

ρ = 19.3 g/cm³

v = 30 cm³

19.3 = m/30

m = 19.3 × 30

= 579 g

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