At 298 K, the EMF of the cell Pt|H2(1 bar)|H+(solution)||CI-|Hg2CI2|Hg is 0.7

Question

At 298 K, the EMF of the cell Pt|H2(1 bar)|H+(solution)||CI-|Hg2CI2|Hg is 0.7530 V. The standard potential of the calomel electrode is 0.2802 V. If the liquid junction potential is zero, the pH of the solution is

Options:

A . 4.7

B . 7.4

C . 8.0

D . 12.7

Answer: Option C

-NA-

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