В реакции эквимолярных X₂ и Y₂ образовался X₂Y₃, причём 1 моль вещества осталось. Сколько моль X₂Y₃ получено?

  1. 1
  2. 4
  3. 2
  4. 3

📝 Detailed explanation

2X₂ + 3Y₂ → 2X₂Y₃. При n моль каждого Y₂ лимитирует: n(X₂Y₃)=2n/3, остаток X₂ = n−2n/3=n/3=1 → n=3. n(X₂Y₃)=2.
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