Etyl axetat: CH3COOC2H5
Metyl axetat: CH3COOCH3
a) PTHH: CH3COOC2H5+NaOH->CH3COONa+C2H5OH
x x
CH3COOCH3+NaOH->CH3COONa+CH3OH
y y
b) gọi x là nCH3COOC2H5, y là nCH3COOCH3
nNaOH=Cm. V=0,5. 0,4=0,2 mol
Lập hệ PT: X+Y=0,2
88X+74Y=16,2
-->X=0,1, y=0,1 (Mol)
mCH3COOC2H5=0,1. 88=8,8g