The \( E^{\circ} \) at \( 25^{\circ} \mathrm{C} \) for the following reaction is \( 0.22 \mathrm...

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The \( E^{\circ} \) at \( 25^{\circ} \mathrm{C} \) for the following reaction is \( 0.22 \mathrm{~V} \). Calculate the equilibrium constant at \( 25^{\circ} \mathrm{C} \) :
\[
\mathrm{H}_{2}(g)+2 \mathrm{AgCl}(s) \longrightarrow 2 \mathrm{Ag}(s)+2 \mathrm{HCl}(a q)
\]
(a) \( 2.8 \times 10^{7} \)
(b) \( 5.2 \times 10^{8} \)
(c) \( 5.2 \times 10^{6} \)
(d) \( 5.2 \times 10^{3} \)
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