Verified Answer :

Billymkhoi

53 g Fe (1 mol Fe/ 55.8 g Fe)= 0.95 mol Fe.

0.95 mol Fe (6.0210^23 Fe atoms/ 1 mol Fe)= 5.710^23 Fe atoms.

Note that the units cancel out so you get the answer.

The final answer is 5.7*10^23 Fe atoms.

Hope this helps~

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