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The specific conductance of saturated so...

The specific conductance of saturated solution of AgCl is found to be `1.86xx10^(-6) ohm^(-1) cm^(-1)` and that of water is `6 xx 10^(-8) ohm^(-1) cm^(-1)`. The solubility of agCl is ... .
Given, `Lambda_(AgCl)^(@)=137.2 ohm^(-1) cm^(2) eq^(-1)`

A

`1.7xx10^(-3) M`

B

`1.3xx10^(-5) M`

C

`1.3xx10^(-4) M`

D

`1.3xx10^(-6) M`

Text Solution

Verified by Experts

The correct Answer is:
B
`kappa_(AgCl)=kappa_(AgCl" (Solution)")-kappa_(H_(2)O)`
`=1.86xx10^(-6)-6xx10^(-8)=1.8xx10^(-6) ohm^(-1) cm^(-1)`
`Lambda_(AgCl)^(@)=kappaxx1000/S`
`:. S=(kappaxx1000)/(Lambda_(AgCl)^(@))=(1.8xx10^(-6)xx1000)/137.2=1.31xx10^(-5) M`
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