Diapositive PPT
Mn2+aq + 4 H2O = MnO4-aq + 8 H+aq + 5 e-
b Red + q H2O = a Ox + p H+ + n e-
E = E0 + ( 0,06 / n ) log ( aOxa [H+]p aRed-b )
Q = aOxa aH+p aRed-baH2O-q
H+ = Soluté = H+aq ? aH+ = [H+]
E = E0 + ( 0,06 / 5) log( [MnO4-] [H+]8 [Mn2+]-1)
Cl2 (g) + 6 H2O = 2 ClO3-(aq) + 12 H+ (aq) + 10 e-
E = E0 + ( 0,06 / 10 ) log( [ClO3-]2 [H+]12 (P Cl2)-1)