The standard cell potential of a cell reaction involving the transfer of $2$ electrons at $25^{\circ}C$ is $0.295 \ V$. What is its equilibrium constant at $25^{\circ}C$?
- A$1 \times 10^{-10}$
- B$29.5 \times 10^{-2}$
- C$10$
- D$1 \times 10^{10}$
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