For 2 H₂ + O₂ → 2 H₂O: starting with 4 mol H₂ and 1 mol O₂, the limiting reagent is
- Acheck_circle
O₂
- B
Both equal
- C
H₂O
- D
H₂
Explanation
Need 2 mol O₂ to use up 4 mol H₂; only 1 mol available → O₂ runs out first → O₂ is limiting; H₂ is in excess.
Stoichiometry
AP Chemistry· difficulty 3/5
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