Answer:
[tex]\large\boxed{2.19 \times 10^{24}\text{ atoms}}[/tex]
Explanation:
[tex]\text{No. of Al atoms} = \text{3.64 mol Al } \times \dfrac{6.022\times 10^{23}\text{ atoms Al}}{\text{1 mol Al}} = 2.19 \times 10^{24}\text{ atoms Al }\\\\\text{There are }\large\boxed{\mathbf{2.19 \times 10^{24}}\textbf{ atoms}} \text{ in 3.64 mol of Al}[/tex]
