Al₂(SO₄)₃ + 6NaOH = 2Al(OH)₃↓ + 3Na₂SO₄
∑ коэффициентов = 1+6+2+3 = 12
Ответ: 4) 12
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Al₂(SO₄)₃ + 6NaOH = 2Al(OH)₃↓ + 3Na₂SO₄
∑ коэффициентов = 1+6+2+3 = 12
Ответ: 4) 12