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Equivalent conductance of saturated BaSO...

Equivalent conductance of saturated `BaSO_4` is `400 ohm^(-1) cm^(2) "equiv"^(-1)` and specific conductance is ` 8 xx 10^(-5) ohm^(-1), cm^(-1)` . Hence `K_(sp)` of `BaSO_4 ` is

A

`4 xx 10^(-8) M^(2) `

B

`1 xx 10^(-8) M^(2)`

C

`2 xx 10^(-4) M^(2)`

D

`1 xx 10^(-4) M^(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
`^^_(eq) = (K xx 1000)/(N^(0)) , N = (8 xx 10^(-5) xx 1000)/(400) = 2 xx 10^(-4) N`
` S = M = (N)/(2) = (2 xx 10^(-4))/(2) = 10^(-4) M , K_(sp) = S^(2) = (10^(-4))^(2) = 10^(-5)`
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