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1 August, 10:58

How many iron atoms are in 5.4 mol of Fe203?

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  1. 1 August, 11:23
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    6.5*10²⁴ atoms Fe

    Explanation:

    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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