Jawabanmu

2014-05-04T14:45:44+07:00
S=0
SO2 -> S=4
           O=-2
H2O -> H=1
           O=-2
Cl=-1
2014-05-04T14:47:22+07:00
HCl : H = +1 dan Cl = -1
S2O3-2 : S = +2 DAN O = -2
S = 0
SO2 : S = +4 DAN O = -2
H2O : H = +1 DAN O = -2
Cl- = -1