Question

A liquid pesticide has a density of 1.67 g/mL. What is the mass of
liquid in a full 20.0L container?

Answer 1

$\rho=m/V$

$m=\rho⋅V$

1.67 g/ml=1670 g/L

$m=1670 g/L⋅20=33400 g=33.4 kg$