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With the following information: Cr20,2- + 14 H+ +6 = 2 Cr3+ + 7 H2O E = 1330 m V Cr(OH)3(S) = Cr3+ + 3

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With the following information: Cr20,2- + 14 H+ +6 = 2 Cr3+ + 7 H2O E = 1330 m V Cr(OH)3(S) = Cr3+ + 3 HO- pK, = 30,2 HCro," + H20 Cro 2- + H20+ pk = 6,51 2 HCrO = Cr20,2- + H2O log Kd = 1,63 2 H20 2 HO + H30* log Kw = -14 Calculate the standard potential of: HCro 2- + 4H20+3e" =Cr(OH)3(s) + 5 HO- ( 1 =

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