Fe2+ solution   Al3+ solution   CuSo4 solution     Experimental Theoretical Experimental Theoretical Experimental Theoretical Fe electrode 0.68V 0V 0.71V   0.53V   Al electrode 1.25V 1.212V 0.90V 0V 0.43V   Cu electrode 0.18V   0.15V   0.10V 0V Calculate the Theoretical Value for each of the combinations.

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