The equilibrium constant for the reaction \( \mathrm{Sr}(\mathrm{s})+\mathrm{Mg}^{+2}(\mathrm{aq...

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The equilibrium constant for the reaction
\( \mathrm{Sr}(\mathrm{s})+\mathrm{Mg}^{+2}(\mathrm{aq}) \rightleftharpoons \mathrm{Sr}^{+2}(\mathrm{aq})+\mathrm{Mg}(\mathrm{s}) \) is \( 2.69 \times 10^{12} \) at
\( 25^{\circ} \mathrm{C} \)
The \( \mathrm{E}^{\circ} \) for a cell made up of the \( \mathrm{Sr} / \mathrm{Sr}^{+2} \) and \( \mathrm{Mg}^{+2} / \mathrm{Mg} \)
half cells
(1) \( 0.3667 \mathrm{~V} \)
(2) \( 0.7346 \mathrm{~V} \)
(3) \( 0.1836 \mathrm{~V} \)
(4) \( 0.1349 \mathrm{~V} \)
 
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