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Calculate the electrode potential at 25^@C of Cr_2O_7^(2–)//Cr^(3+) electrode at pOH = 11 in a solution of 0.01 M both in Cr^(3+) and (Cr_2O_7^(2–)) = 1.33 V. If this electrode is coupled with a hydrogen gaseous electrode at pH = 6, find the emf of the spontaneous cell. |
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