xКГ 4КГ H2COH-CHOH-CH2OH +3C17H35COOH=H2C-O-CO-C17H35 m=92КГ I HC-O-CO-C17H35 +3H2O I H2C-O-CO-C17H35 m=890КГ X:92=4:890 X=0,4135КГ(413,5Г)