CH3OH-->CH3COOCH3-->CH3COONa-->CH3COOH-->C2H5OH
CH3OH+CH3COOH-->CH3COOCH3+H2O
CH3COOCH3+NaOH-->CH3COONa+CH3OH
CH3COONa+HCL-->CH3COOH+NaCL
CH3COOH+2H2-->C2H5OH+H2O
CH3OH-->CH3COOCH3-->CH3COONa-->CH3COOH-->C2H5OH
CH3OH+CH3COOH-->CH3COOCH3+H2O
CH3COOCH3+NaOH-->CH3COONa+CH3OH
CH3COONa+HCL-->CH3COOH+NaCL
CH3COOH+2H2-->C2H5OH+H2O