How many moles are in 5.75 * 10^24 atoms of Al?

1 Answer
Jan 16, 2016

9.55 mol of Al

Explanation:

To obtain the number of moles of a certain element given the number of atoms only, you have to divide it with Avogadro's number, 6.02 * 10^23 mol^(-1).

mol Al = (5.75 * 10^24 Al atoms) * (( 1 mol) / (6.02 * 10^(23) Al atoms)
mol Al = 9.55 mol