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Refer to above, the ratio of solubility ...

Refer to above, the ratio of solubility of `CH_(3)COOAg` in a buffer solution with `pH = 4` and in `H_(2)O` is

A

`1//2`

B

`2`

C

`1//3`

D

`3`

Text Solution

Verified by Experts

The correct Answer is:
B
`S` in buffer `= 2 xx 10^(-6)M`
`S` in `H_(2)O = sqrt(K_(sp)) = (106(-12))^(1//2) = 10^(-6)M`
`:. ("S buffer")/(S H_(2)O) = (2xx10^(-6))/(10^(-6)) = 2`.
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