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At 25∘C, the molar conductance of 0.007M...

At 25∘C, the molar conductance of 0.007M hydrofluoric acid is 150 mho cm2 mol−1  and Λ∘m=500 mho cm2 mol−1. The value of the dissociation constant of the acid at the gas concentration at 25∘C is

A

`7xx10^-4 M`

B

`

C

7xx10^-5 M`

D

`9xx10^-3M`

Text Solution

Verified by Experts

The correct Answer is:
`9xx10^-4 M`
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