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Zn = 0
H2SO4 , H=+1 , O=-2 , S = +6
ZnSO4 , Zn=+2, O=-2 , S = +6
H2 = 0
a. reaksi oksidasi : Zn = 0 ===> +2
b. reaksi reduksi : H = +1 ==> 0
c. oksidator / reduksi : H = +1 ==> 0 (H2SO4)
d. reduktor / oksidasi : Zn = 0 ===> +2 (Zn)
e. hasil reduksi = H2
f. hasil oksidasi = ZnSO4