Which of the following expressions is not correct? (A) \( \Delta \mathrm{G}^{\circ}=-\mathrm{RT}...

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Which of the following expressions is not correct?
(A) \( \Delta \mathrm{G}^{\circ}=-\mathrm{RT} \ln \mathrm{K} \)
(B) \( \left[\mathrm{H}_{3} \mathrm{O}^{+}\right]=10^{-\mathrm{pH}} \)
(C) \( \mathrm{pH}=\mathrm{pK}_{a}+\log \frac{\text { [Acid }]}{[\text { Salt }]} \)
(D) \( \mathrm{pH}=\mathrm{pK}_{a}+\log \frac{[\text { Salt }]}{[\text { Acid }]} \)
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