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b. P = 5
c. Ca = 2
d. Mn = 7
e. N = 5
5. Oksidator = Cuo
Reduktor = H2
a.) HCO3-
H = +1, O= -2, C=+4
b.) H3PO4
P = +5
c.) Ca =+2
d.) KMnO4
K=+1, Mn=+7
e.) Cu(NO3)2
= Cu2+ + NO3-
Cu = +2
N = +5
5.
oksidaror = CuO
reduktor = H2
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