Consider the following reduction potentials: Co3+ + 3e Co o = 1.26 V Co2+ + 2e
Question:
Co3+ + 3e– → Co ϐo = 1.26 V
Co2+ + 2e– → Co ϐo = 20.28 V
a. When cobalt metal dissolves in 1.0 M nitric acid, will Co3+ or Co2+ be the primary product (assuming standard conditions)?
b. Is it possible to change the concentration of HNO3 to get a different result in part a?
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a 3 e 4 H NO 3 NO 2 H 2 O E 096 V Nitric acid can oxidize Co to Co 2 0 but is ...View the full answer
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