Based on the following standard reduction potentials, Sn4+(aq) + 2e- ? Sn2+(aq) E0_1 = 0.13 V Sn2+(aq) + 2e- ? Sn(s) E0_2 = -0.14 V calculate the standard reduction potential for the half-reaction. Sn4+(aq) + 4e- ? Sn(s) E0_3 = V
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Given the following two standard reduction potentials, $$\begin{array}{ll} \mathrm{M}^{3+}+3 \mathrm{e}^{-} \longrightarrow \mathrm{M} & \mathscr{E}^{\circ}=-0.10 \mathrm{V} \\ \mathrm{M}^{2+}+2 \mathrm{e}^{-} \longrightarrow \mathrm{M} & \mathscr{E}^{\circ}=-0.50 \mathrm{V} \end{array}$$ solve for the standard reduction potential of the half-reaction $$ \mathbf{M}^{3+}+\mathbf{e}^{-} \longrightarrow \mathbf{M}^{2+} $$ (Hint: You must use the extensive property $\Delta G^{\circ}$ to determine the standard reduction potential.)
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