An electrochemical cell is constructed such that on one side a pure lead electrode is in contact with a solution containing Pb2+ ions at a concentration of 0.002 M. The other cell half consists of a pure nickel electrode that is immersed in a solution of Ni2+ ions having a concentration of 0.4 M. Given that the standard electrode potentials for lead and nickel are -0.126 and -0.250 V, respectively, at what temperature will the potential between the two electrodes be -0.012 V?
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