Ответ:
2Ca + O₂ → 2CaO
CaO + H₂O → Ca(OH)₂
3Ca(OH)₂ + 2H₃PO₄ → Ca₃(PO₄)₂ + 6H₂O
Ca₃(PO₄)₂ + 3Na₂CO₃ → 3CaCO₃↓ + 2Na₃PO₄
CaCO₃ + 2HNO₃ → Ca(NO₃)₂ + CO₂↑ + H₂O
Ca(NO₃)₂ + 2KOH → Ca(OH)₂↓ + 2KNO₃
Ca(OH)₂ + H₂SO₄ → CaSO₄ + 2H₂O
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Ответ:
2Ca + O₂ → 2CaO
CaO + H₂O → Ca(OH)₂
3Ca(OH)₂ + 2H₃PO₄ → Ca₃(PO₄)₂ + 6H₂O
Ca₃(PO₄)₂ + 3Na₂CO₃ → 3CaCO₃↓ + 2Na₃PO₄
CaCO₃ + 2HNO₃ → Ca(NO₃)₂ + CO₂↑ + H₂O
Ca(NO₃)₂ + 2KOH → Ca(OH)₂↓ + 2KNO₃
Ca(OH)₂ + H₂SO₄ → CaSO₄ + 2H₂O