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25-07-2019
Chemistry

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How many iron atoms are in 5.4 mol of Fe203?

Respuesta :

MathPhys MathPhys

25-07-2019

Answer:

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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