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What is the solubility product of a saturated solution of \( \mathrm{Ag}_{2} \mathrm{CrO}_{4} \) in water at \( 298 \mathrm{~K} \) if the EMF of the cell: \( \mathrm{Ag} \mid \mathrm{Ag}^{+} \)(satd. \( \left.\mathrm{Ag}_{2} \mathrm{CrO}_{4}\right) \| \mathrm{Ag}^{+}(0.1 \)
\( \mathrm{M}) \mid \mathrm{Ag} \) is \( 0.162 \mathrm{~V} \) at \( 298 \mathrm{~K} \) ? [2.303 \( R T / F=0.06 \), \( \log 2=0.3] \)
(a) \( 2.0 \times 10^{-4} \)
(b) \( 3.2 \times 10^{-11} \)
(c) \( 8.0 \times 10^{-12} \)
(d) \( 4.0 \times 10^{-12} \)
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