# 65 grams of calcium equal how many moles?

$\text{Amount (moles)}$ $=$ $\text{Mass of metal"/"Molar mass of metal}$.
$n =$ $\frac{65 \cdot \cancel{g}}{40.08 \cdot \cancel{g} \cdot m o {l}^{-} 1}$ $=$ ??mol $C a$??