(NH2)CH3COOH + NaOH = (NH2)CH3COONa + H2O
m(NaOH)=80*0.2=16 г
n(NaOH)=m/M=16/40=0.4 моль
2)CH3COOH + HCl = не идет
(NH2)CH3COOH + HCl = [(NH3)CH3COOH]Cl
n(HCl)=n((NH2)CH3COOH)=0.03 моль
m((NH2)CH3COOH)=n*M=0.03*75=2,25 г
n(NaOH)=n((NH2)CH3COOH) + n(CH3COOH) = 0.4моль
n(CH3COOH)= 0,4-0,03=0,37 моль
m(CH3COOH)=0.37*60=22.2 г
W(CH3COOH)=22.2/(22.2+2.25)=22.2/24.45=0.9=90%
W((NH2)CH3COOH)=100-90=10%