\[ \mathrm{Cu}(\mathrm{s})+\mathrm{Sn}^{2+}(0.001 \mathrm{M}) \rightarrow \mathrm{Cu}^{2+}(0.01 ...

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\[
\mathrm{Cu}(\mathrm{s})+\mathrm{Sn}^{2+}(0.001 \mathrm{M}) \rightarrow \mathrm{Cu}^{2+}(0.01 \mathrm{M})+\mathrm{Sn}(\mathrm{s}) .
\]
The Gibbs free energy change for the above reaction at \( 298 \mathrm{~K} \) is \( \mathrm{x} \times 10^{-1} \mathrm{~kJ} \mathrm{~mol}^{-1} \);
The value of \( x \) is . [Nearest integer]
\[
\left[\mathrm{E}_{\mathrm{Cu}^{2+} / \mathrm{Cu}}^{\mathrm{o}}=0.34 \mathrm{~V} ; \mathrm{E}_{\mathrm{Sn}^{2+} / \mathrm{Sn}}^{\mathrm{o}}=-0.14 \mathrm{~V} ; \mathrm{F}=96500 \mathrm{C} \mathrm{mol}^{-1}\right]
\]
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