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1) Compound that are not stable at PH 0 may be stable under less harsh conditions

a) Show that the species Co^3+ (aq) will spontaneously decompose to CoO2 (s) and Co^2+ (aq) at PH 0 the question need to solve for the potential at both pH of 0 and pH of 5 to prove that at pH of 0 the cobalt will decompose spontaneously, but at pH of 5 it will not.

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