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Consider an electrochemical cell containing 1 M hydrochloric acid (pH = 0) under standard temperature and pressure. The reduction potential under these conditions is 0.00 V vs. SHE.

What is the shift in potential vs. SHE expected to be if the electrochemical cell solution is adjusted to pH = 2?

Nernst equation: ${E}_{cell} = { E° }_{ cell } - \cfrac{RT}{nF} \log Q$

A

25.7 mV

B

51.4 mV

C

59.2 mV

D

118.4 mV

E

The potential vs. SHE will not shift.

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