# How many atoms are in 0.750 moles of zinc?

There are $4.517 \cdot {10}^{23}$ atoms of Zn in 0.750 mols of Zn.
Since we know that there are $6.022 \cdot {10}^{23}$ atoms in every mole of a substance (Avogadro's Number), there are $6.022E23 \cdot 0.750$ atoms of Zn in 0.750 mols of Zn.