# What is the mass of 8 moles of sodium chloride?

The mass of eight moles of sodium chloride is $\approx 500 \text{g}$.
Molar mass of NaCl is $\text{58.44g/mol}$. https://www.ncbi.nlm.nih.gov/pccompound?term=NaCl
$8 \cancel{\text{mol NaCl"xx(58.44"g NaCl")/(1cancel"mol NaCl")="467.52 g NaCl"="500 g NaCl}}$ to one significant figure.