Сумма коэффициентов в уравнениях реакций воды с натрием и воды с оксидом лития соответственно равна

  1. 7 и 3
  2. 6 и 3
  3. 4 и 4
  4. 7 и 4

📝 Detailed explanation

2Na + 2H₂O → 2NaOH + H₂ (7); Li₂O + H₂O → 2LiOH (4).
12 / 20 (60%)
Question 12 of 20
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