If 8 moles of FeS2 react with 15 moles of O2, the limiting reactant is O2.
WHAT IS LIMITING REACTANT:
- A limiting reactant is reactant that is totally consumed when the chemical reaction is completed.
- According to this question, the following reaction was given: 4FeS2 + 11O2 → 2Fe2O3 + 8SO2.
4 moles of FeS₂ reacts with 11 moles of O₂
- This means, 8 moles of FeS₂ will react with (8 × 11/2) = 22 moles of O₂
15 moles of O₂ is available. In comparison with 22 moles, O₂ is in short supply .
Therefore, If 8 moles of FeS2 react with 15 moles of O2, O₂ is the limiting reagent.
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