# Cork has a density of 0.35 g/mL. What is the volume of 20 g of cork?

$\text{Volume}$ $=$ $\text{Mass"/"Density}$ $=$ $57 \cdot m L$
We have been given a mass, and given a density, thus $\text{Mass"/"Density} = \frac{20 \cdot \cancel{g}}{0.35 \cdot \cancel{g} \cdot m {L}^{-} 1}$ $=$ ??*mL.