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Stoichiometry

AP Chemistry· difficulty 2/5

For N₂ + 3 H₂ → 2 NH₃: how many moles of NH₃ form from 6.0 mol H₂ (excess N₂)?

  • A

    6 mol

  • B

    2 mol

  • C

    4 mol

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  • D

    12 mol

Explanation

Mole ratio H₂ : NH₃ = 3 : 2. So 6 mol H₂ × 2/3 = 4 mol NH₃.

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