How do you convert 8.5 mol of Ca to atoms?

Dec 8, 2017

$5.112 \cdot$ ${10}^{24}$
One mol of any substance contains $6.023 \cdot {10}^{23}$ molecules or atoms. In this case, we have 8.5 mol of Ca. To convert this into atoms, we must multiply 8.5 into $6.023 \cdot {10}^{23}$.
$8.5 \cdot 6.023 \cdot {10}^{23}$
$51.1955 \cdot {10}^{23}$
$5.11955 \cdot {10}^{24}$ atoms