From the balanced chemical equation,
4Fe + 3O₂ --> 2Fe₂O₃
it is evident that for every 4 moles of Fe (iron), 2 moles of iron (III) oxide will be formed. Using the same ratio,
8 moles of iron x (2 moles Fe₂O₃ / 4 moles of Fe)
= 4 moles Fe₂O₃
Therefore, the answer is 4 moles.
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Explanation:
an ideal gas moves in constant, rapid motion
