# How many grams in 113.5 moles of LiNO_3?

Mar 15, 2017

$\text{113.5 mol LiNO"_3}$ has a mass of $\text{7830 g}$.
Determine the mass of one mole of $\text{LiNO"_3}$. This is its molar mass. The molar mass of $\text{LiNO"_3}$ is $\text{68.944 g/mol}$.
$113.5 \cancel{\text{mol" "LiNO"_3xx(68.944 "g")/(1cancel"mol")="7830 g LiNO"_3}}$ rounded to four significant figures)