化学方程式:CH3COOH + NH3.H3O == CH3COONH4 + H2O 离子方程式:CH3COOH + NH3.H2O == CH3COO- + NH4+ 要注意CH3COOH和NH3.H2O都是弱电解质,所以写离子方程式时不能拆. CH3COONH4是强电解质,要拆的.