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Determine the cell reaction, the standard cell potential (E0 cell) and the half-cell that acts as the cathode for the voltaic cells composed of the following half-cells. a. Mg2(aq) 2eyMg(s) Cl2(g) 2ey2Cl(aq) b. Ni2(aq) 2eyNi(s) Ag (aq) e yAg(s) c. MnO4 (aq) 8H(aq) 5eyMn2(aq) 4H2O (l) Cd2(aq) 2eyCd(s) d. Br2(l) 2ey2Br(aq) Na(aq) eyNa(s) e. 2H(aq) 2eyH2(g) MnO2(s) 4H(aq) 2eyMn2 (aq) 2H2O(l).

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