Ответы и объяснения

2014-02-07T22:57:56+04:00
1.
2Fe+3Cl2=2FeCl3
n(Cl2)=5.6/22.4=0.25
3n(Cl2)=2n(FeCl3)
m(FeCl3)=0.167*162.5=27.08
2.2NaOH+H2SO4=Na2SO4+2H2O
n(NaOH)=200*0.1/40=0.5
m(Na2SO4)=0.25*142=35.5 г
n(H2O)=0.5 моль