Ответ:
3CaCl₂ + 2(NH₄)₃PO₄ ⟹ Ca₃(PO₄)₂↓ + 6NH₄Cl
3Ca²⁺ + 6Cl¯ + 6NH₄⁺ + 2PO₄³¯ ⟹ Ca₃(PO₄)₂↓ + 6NH₄⁺ + 6Cl¯
3Ca²⁺ + 2PO₄³¯ ⟹ Ca₃(PO₄)₂↓
MgCO₃ + 2CH₃COOH ⟹ Mg(CH₃COO)₂ + CO₂↑ + H₂O
MgCO₃ + 2CH₃COO¯ + 2H⁺ ⟹ Mg²⁺ + 2CH₃COO¯ + CO₂↑ + H₂O
MgCO₃ + 2H⁺ ⟹ Mg²⁺ + CO₂↑ + H₂O
Zn(OH)₂ + 2KOH ⟹ K₂[Zn(OH)₄]
Zn(OH)₂ + 2K⁺ + 2OH¯ ⟹ 2K⁺ + [Zn(OH)₄]²¯
Zn(OH)₂ + 2OH¯ ⟹ [Zn(OH)₄]²¯.
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Ответ:
3CaCl₂ + 2(NH₄)₃PO₄ ⟹ Ca₃(PO₄)₂↓ + 6NH₄Cl
3Ca²⁺ + 6Cl¯ + 6NH₄⁺ + 2PO₄³¯ ⟹ Ca₃(PO₄)₂↓ + 6NH₄⁺ + 6Cl¯
3Ca²⁺ + 2PO₄³¯ ⟹ Ca₃(PO₄)₂↓
MgCO₃ + 2CH₃COOH ⟹ Mg(CH₃COO)₂ + CO₂↑ + H₂O
MgCO₃ + 2CH₃COO¯ + 2H⁺ ⟹ Mg²⁺ + 2CH₃COO¯ + CO₂↑ + H₂O
MgCO₃ + 2H⁺ ⟹ Mg²⁺ + CO₂↑ + H₂O
Zn(OH)₂ + 2KOH ⟹ K₂[Zn(OH)₄]
Zn(OH)₂ + 2K⁺ + 2OH¯ ⟹ 2K⁺ + [Zn(OH)₄]²¯
Zn(OH)₂ + 2OH¯ ⟹ [Zn(OH)₄]²¯.