Осуществить превращение CH3COOH-C2H5OH-C2H5Cl | C3H7COOC2H5
CH3-COOH+O2==C2H5OH=H2O C2H5OH+HCI==C2H5CI+H2O C3H7COOH+C2H5OH==H2SO4,конц==С3H7COOC2H5+H2O