# What is the mass of 3 moles of sodium atoms?

Aug 13, 2016

Approx. $70 \cdot g$.
Sodium metal has a molar mass of $22.99 \cdot g$.
$3 \cdot m o l \times 22.99 \cdot g \cdot m o {l}^{-} 1$ $=$ ??g.