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2HCOOH + 2KOH = 2HCOOK + 2H2O
-kwasu octowego z wodorotlenkiem wapnia;
2CH3COOH + Ca(OH)2 = (CH3COO)2Ca +2H2O
KCOO⁻ + H⁺ + K⁺ + OH⁻ ---> HCOO⁻ + K⁺ + H₂O
H⁺ + OH⁻ --> H₂O
2. 2 CH₃COOH + Ca(OH)₂ --> (CH₃COO)₂Ca + 2H₂O
2 CH₃COO⁻ +2 H⁺ + Ca²⁺ + 2 OH⁻ --> 2 Ch₃COO⁻ + Ca²⁺ + 2H₂O
2 H⁺ + 2 OH⁻ --> 2H₂O