# Gold has a density of 19.0 g/cm^3. What is the mass of a 3.0 mL sample of gold?

Feb 1, 2016

I found $57 g$
We can use the fact that $3.0 m L = 3.0 c {m}^{3}$ and that:
$\text{density"="mass"/"volume}$
$19.0 = \frac{m}{3.0}$
$m = 3 \cdot 19 = 57 g$