Question

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

Answer 1

I found `57g`

Explanation:

We can use the fact that `3.0mL=3.0cm^3` and that:
`"density"="mass"/"volume"`
in our case:
`19.0=m/3.0`
`m=3*19=57g`