# The mass is 82.42 g, and the volume is 44.55 mL. What is the density of this substance?

$\text{Density}$, $\rho$, $=$ $\text{mass"/"volume}$, so $\rho$ is approx. $0.50$ $g \cdot m {L}^{-} 1$
$\rho$ $=$ $\frac{82.42 \cdot g}{44.55 \cdot m L}$ $=$ ?? $g \cdot m {L}^{-} 1$.