m(NaOH)=227,3*1,1*0,1=25;
NaOH+SO2=NaHSO3
1 1
n(SO2)=2,8:22,4=0,125;n(NaOH)=0,125;m(NaOH)=0,125*40=5;
25-5=20;n(NaOH)=20:40=0,5;
xмоль
H-COOH+NaOH=H-COONa+H2O;m(H-COOH)=46x.
1 1 умоль
y моль
CH3-COOH+NaOH+CH3-COONa+H2O; m(CH3-COOH)=60y
x+y=0,5 Решаем систему:
46x+60y=24,4
х=0,4;у=0,1; m(H-COOH)=0,4*46=18,4;m(CH3-COOH)=0,1*60=6;
m(NaOH)=227,3*1,1*0,1=25;
NaOH+SO2=NaHSO3
1 1
n(SO2)=2,8:22,4=0,125;n(NaOH)=0,125;m(NaOH)=0,125*40=5;
25-5=20;n(NaOH)=20:40=0,5;
xмоль
H-COOH+NaOH=H-COONa+H2O;m(H-COOH)=46x.
1 1 умоль
y моль
CH3-COOH+NaOH+CH3-COONa+H2O; m(CH3-COOH)=60y
1 1
x+y=0,5 Решаем систему:
46x+60y=24,4
х=0,4;у=0,1; m(H-COOH)=0,4*46=18,4;m(CH3-COOH)=0,1*60=6;