Предмет: Химия, автор: margoskrupnic

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Автор ответа: DK954

1

Решение:

1) 2Са + О₂ → 2СаО

2) СаО + Н₂О → Са(ОН)₂

3) Ca(OH)₂ + H₂SO₄ → CaSO₄↓ + 2H₂O

4) CaSO₄ (t°) → CaO + SO₃↑

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