Napisz stopnie utlenienia pierwiastków .HNO3+S ---> H2SO4+NO PILLLLNE ! ;)
HNO3H = IN = VO3 = -II
H3PO4H2 = IP = VO4 = -II
:D
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HNO3
H = I
N = V
O3 = -II
H3PO4
H2 = I
P = V
O4 = -II
:D