Ответ:
Ca + H₂ = CaH₂ (t)
CaH₂ + H₂O = Ca(OH)₂ + H₂↑
Ca(OH)₂ + CO₂ = CaCO₃↓ + H₂O
CaCO₃ + 2HCl = CaCl₂ + CO₂↑ + H₂O
3CaCl₂ + 2K₃PO₄ = Ca₃(PO₄)₂↓ + 6KCl
Ca₃(PO₄)₂ = 3CaO + P₂O₅ (t)
Объяснение:
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Ответ:
Ca + H₂ = CaH₂ (t)
CaH₂ + H₂O = Ca(OH)₂ + H₂↑
Ca(OH)₂ + CO₂ = CaCO₃↓ + H₂O
CaCO₃ + 2HCl = CaCl₂ + CO₂↑ + H₂O
3CaCl₂ + 2K₃PO₄ = Ca₃(PO₄)₂↓ + 6KCl
Ca₃(PO₄)₂ = 3CaO + P₂O₅ (t)
Объяснение: