How many atoms are in 4.5 moles of Al?

Explanation:

To determine the amount of atoms (or molecules) present given the moles of an element, you multiply the amount of moles by Avogadro's number, 6.022⋅1023

4 mol Al 6.022⋅10231mol= 2.41⋅1024 atoms/molecules of Al

Explanation:

4.5×6.022×10²³

27.099×10²³

it would be d. henry moseley

hope this !

and sorry if i'm late. have a good rest of your day! : d