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Calculate the potential (emf) of a working galvanic cell that is based on these two half cells and standard potentials (both written as reduction reactions) in an aqueous basic solution. Cr3+(aq) →

Calculate the potential (emf) of a working galvanic cell that is based on these two half cells and standard potentials (both written as reduction reactions) in an aqueous basic solution.  Cr3+(aq)  →  Cr2+(aq)       E°(Cr3+/Cr2+) = −0.50 V  IO2−(aq)  →  I2(aq)            E°( IO2−/I2) = +1.80 V  

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