Engineering, 03.01.2020 04:31 sam57884
An electrochemical cell is composed of pure nickel and pure iron electrodes immersed in solutions of their divalent ions. if the concentrations of ni2+ and fe2+ ions are 0.002 m and 0.40 m, respectively, what voltage is generated at 25°c? (the respective standard reduction potentials for ni and fe are −0.250 v and −0.440 v.) (a) −0.76 v (b) −0.26 v (c) +0.12 v (d) +0.76 v
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