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Zn(s) | zn^(2+)(aq) || H(+)(aq)|H(2)(g) ...

`Zn(s) | zn^(2+)(aq) || H_(+)(aq)|H_(2)(g)` `E^9@) = 0.76V`
What must be the pH in the hydrogen compartment of the cell designated above if the cell voltage is 0.70 V? (Assume that both the `[Zn^(2+)]` and the `H_(2)(g)` pressure are at standard values and `T= 25^(@)C`

A

0.51

B

1.01

C

2.5

D

3.21

Text Solution

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The correct Answer is:
B
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