15 April, 04:31
How many iron atoms are in 5.4 mol of Fe203?
15 April, 06:29
6.5*10²⁴ atoms Fe
First find moles of iron:
5.4 mol Fe₂O₃ * (2 mol Fe / mol Fe₂O₃) = 10.8 mol Fe
Now calculate atoms of iron:
10.8 mol Fe * (6.02*10²³ atoms Fe / mol Fe) = 6.5*10²⁴ atoms Fe
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» How many iron atoms are in 5.4 mol of Fe203?