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Consider the reaction : H(2)(g),Pt|H^(...

Consider the reaction :
`H_(2)(g),Pt|H^(+)(aq) , E=0.1" V"`
The pH of the solution is

Text Solution

Verified by Experts

`H_(2)(g)+2e^(-) to2H^(+)(aq)`
`E=E^(@)-(0.0591)/(2)"log"[H^(+)]^(2)`
`0.1=0-(0.0591)/(2)2log[H^(+)]`
`0.1=0-0.0591" log " [H^(+)]`
`-log[H^(+)]=(0.1)/(0.0591)=1.69`
`pH=-log[H^(+)]=1.69=2`
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