The number of moles of iron (Fe) required to react with 3.82 moles of oxygen is 5.09 moles
Balanced equation
3O₂ + 4Fe —> 2Fe₂O₃
From the balanced equation above,
3 moles of O₂ reacted with 4 moles of Fe
How to determine the moles of Fe
From the balanced equation above,
3 moles of O₂ reacted with 4 moles of Fe
Therefore,
3.82 moles of O₂ will react with = (3.82 × 4) / 3 = 5.09 moles of Fe
Thus, 5.09 moles of Fe is needed for the reaction
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