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It is observed that the voltage of a gal...

It is observed that the voltage of a galvanic cell using the reaction `M(s)+xH^(+) rightarrow M^(x+)+(x)/(2)H_(2)` varies linearly with the log(square root of the hydrogen pressure).(cube root of the `[M^(x+)]`).The value of `x` is : (Take : H' ion concentration 1M)

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