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¢Å¢Ù CaCO3 + 2H+ = Ca2+ + CO2¡ü+H2O
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¢Æ¢Ù CaCO3 + 2CH3COOH = Ca2+ + 2CH3COO¡ª +CO2¡ü+H2O
¢Ú Mg(OH)2 + 2CH3COOH = Mg2+ + 2CH3COO¡ª +2 H2O
¢Ç Mg2++2 NH3¡¤H2O =Mg(OH)2¡ý+2NH4+
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