A concentration cell is made using Ni2+ solutions and Ni electrodes.In one compartment, [Ni2+] = 1.00 M; in the other, [Ni2+] is due to the dissolution of Ni(OH)2 in an aqueous solution buffered to a pH of 13.000.The measured Ecell at 298 K is 0.4038 V.Find the concentration of Ni2+ in the saturated Ni(OH)2 solution, and calculate an estimate of Ksp for nickel hydroxide.
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