Question

What is the mass of an object that has a density of 3.2 g/cm3 and a volume
of 5.5 cm3? (The density of an object has the equation d = m.)
A. 17.6 g
B. 1.72 g
C. 0.057 g
D. 8.7g

Answer 1

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$density = \frac{mass}{volume}$

$3.2 = \frac{mass}{5.5}$

Multiply sides by 5.5

$3.2 \times 5.5 = \frac{mass}{5.5} \times 5.5$

$mass = 3.2 \times 5.5$

$mass = 17.6 \: \: g$

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