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Question - Consider the reaction of metallic copper with iron (III) to give copper (II) and iron (II). what is the potential of a cell with (Fe 3+) =.0001 M, Cu2+= .25M and Fe2+= .20 M at 25 degrees celcius. The answer is .26 Volts. I have all the steps right and i have the Cell potential of iron at .77 and the Copper as .52. Im messsing up on where you flip the sign because thats giving me the wrong E^0.

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