# How do you find the mass of a substance if you know the volume?

##### 1 Answer

Nov 9, 2015

You will need to determine density. Density is the property of a substance that relates its mass and volume. You can usually find the density of a substance by searching online.

#### Explanation:

You need to determine the density of the substance and then multiply the known volume times the density to calculate mass.

**Example**

What is the mass of a sample of copper that has a volume of

**Solution**

Look up the density of copper. The density of copper is

Multiply the volume times the density.