Mg+2 + 2e- -----> Mg E0 = - 2.37 V
Co+2 + 2e- -------> Co E0 = - 0.28 V
E0cell = E0(Co+2 /Co) - E0(Mg+2/Mg)
E0cell = - 0.28 - (-2.37)
E0cell = 2.09 V = 2.10 V
answer = 2.10 V
Consider these two equations. Co2 + (aq) + 2e--> Co(s) Standard reduction potentials can be found...
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