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Stoichiometry Limiting Reagent

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22.4 dm³ CH₄ and 11.2 dm³ O₂ are mixed at STP: CH₄ + 2O₂ → CO₂ + 2H₂O Which is the limiting reagent?

Verified Answer & Explanation⌄

Correct Answer: B) O₂

Concept Explanation

22.4 dm³ CH₄ = 1 mol. 11.2 dm³ O₂ = 0.5 mol. 1 mol CH₄ requires 2 mol O₂. Therefore, O₂ is the limiting reagent.

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