For 2 H₂ + O₂ → 2 H₂O: how many moles of O₂ react with 4 mol H₂?
- Acheck_circle
2 mol
- B
4 mol
- C
8 mol
- D
1 mol
Explanation
Mole ratio H₂ : O₂ = 2 : 1. So 4 mol H₂ requires 2 mol O₂.
Stoichiometry
AP Chemistry· difficulty 2/5
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