Осуществить преобразования CH3COH---CH3COOH---CH3COOC2H5---CH3COOH---CH3COONa---CH3COOH
CH3COH + {O2} = CH3COOH CH3COOH + C2H5OH = CH3COOC2H5 + H2O CH3COOC2H5 + H2O = CH3COOH + C2H5OH CH3COOH + NaOH = CH3COONa + H2O