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The specific conductivity of a saturated...

The specific conductivity of a saturated solution of AgCl is `3.40xx10^(-6) Omega^(-1)cm^(-1)` at `25^(@)C`. If `lambda_(Ag)=62.3Omega^(-1)cm^(2)"mol"^(-1)` and
`lambda_(Cl^(-))=67.7 Omega^(-1) cm^(2)"mol"^(-1)`, the solubility of AgCl at `25^(@)C` is :-

A

`2.6xx10^(-5) "mol" L^(-1)`

B

`3.731xx10^(-3) "mol" L^(-1)`

C

`3.731xx10^(-5) "mol" L^(-1)`

D

`2.6xx10^(-3)g L^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
A

`lambda_(AgCl)=)62.3+67.7)Omega^(-) "mol"^(-1)`
`=130 Omega^(-)"mol"^(-1)`
`s=(kxx1000)/(lambda_(AgCl))=(3.4xx10^(-6)xx1000)/(130)=2.6xx10^(-5) "mol" L^(-1)`
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