Question: (a) Write the Nernst equation for the half reaction for the reduction of permanganate ion to (mathrm{MnO}_{2}).[mathrm{MnO}_{4}^{-}+4 mathrm{H}^{+}+3 mathrm{e}^{-} ightleftarrows mathrm{MnO}_{2}+2 mathrm{H}_{2} mathrm{O} quad E^{circ}=1.70]

(a) Write the Nernst equation for the half reaction for the reduction of permanganate ion to $\mathrm{MnO}_{2}$.\[\mathrm{MnO}_{4}^{-}+4 \mathrm{H}^{+}+3 \mathrm{e}^{-} ightleftarrows \mathrm{MnO}_{2}+2 \mathrm{H}_{2} \mathrm{O} \quad E^{\circ}=1.70\]

(b) Calculate the formal potential for this half reaction at $\mathrm{pH}=7.0$.

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