question_answer

The cell \[Pt\left| {{H}_{2}}\left( g,0.1bar \right) \right|\] \[\left. {{H}^{+}}\left( aq \right),pH=X \right|\] \[\left| C{{l}^{-}}\left( aq,1M \right) \right|\] \[H{{g}_{2}}C{{l}_{2}}\]  \[\left| Hg \right|Pt\], has e.m.f. of 0.5755 V at  \[25{}^\circ C\]. The SOP of calomel electrode is \[-0.28V\], then pH of solution will be ?

Answer:

5.50