Calculate the cathode potential (versus S.C.E.) needed to reduce cobalt(II) to 1.0 M in each of the
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Calculate the cathode potential (versus S.C.E.) needed to reduce cobalt(II) to 1.0 µM in each of the following solutions. In each case, Co(s) is the product of the reaction.
(a) 0.10 M HClO4
(b) 0.10 M C2O42- (Find the potential at which [Co(C2O4)22-] = 1.0 µM.)
(c) 0.10 M EDTA at pH 7.00 (Find the potential at which [Co(EDTA)2-] = 1.0 µM.)
Transcribed Image Text:
Co(C,04)3 + 2e = Co(s) + 2C,0 E° = -0.474 V
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