CH3COOH + Na => CH3COONa + 1/2H2
2CH3COOH + Ca(OH)2 => (CH3COO)2Ca + H2O
2CH3COOH + Zn => (CH3COO)2Zn + H2
CH3COOH + HOCH2CH3 <==> CH3COOCH2CH3 + H2O