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13 Dec 2019

You have constructed a quinhydrone concentration cell withbuffers of pH = 5.5 and pH = 3.0 according to the followingnotation: C(s, graphite) | pH 5.5 buffer, quinhydrone || pH 3.0buffer, quinhydrone | C (s, graphite). Using the Nernst equation asderived in the Chemical Foundations section for the quinhydroneconcentration cell, calculate the cell potential for thiselectrochemical cell.

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Zn(s) / ZnSO4(aq) // CuSO4(aq) / Cu(s) The left side of the cell contains an electrolyte solution at 9.26*10^-2 M and the right side of the cell contains an electrolyte solution at 7.32*10^-2

M. (a.) Calculate the observed cell potential (Ecell) using the Nernst Equation and concentration.

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