8)
CH3COOH+NaOH-CH3COONa+H2O
m(NaOH)=60мл*1,1 г\мл*0,1=6,5г
М(NaOH)=23+16+1=40
М(CH3COONa)=24+3+32+23=62
6,5\40=х\62
х=10,23
m(CH3COONa)=10,23г
9)
C2H4+Br2-C2H4Br2
m(Br2)=60мл*0,03*1,02г\мл=1,836г
М(Br2)=2*80=160
М(C2H4Br2)=24+4+160=188
1,836\160=х\188
х=2,1573
m(C2H4Br2)=2,1573