醋酸分子式是C2H4O2 结构式为CH3COOH6CH3COOH+Fe2O3=====2 (CH3COO)3Fe +3 H202CH3COOH+CaCO3=====(CH3COO)2Ca +H2O +CO2醋酸分子也可写成HAc6HAc+Fe2O3=====FeAc3 +3 H2O2HAc+CaCO3=====Ca Ac2 +H2O +CO2