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The solubility of PbSO(4) in 0.1M Na(2)S...

The solubility of `PbSO_(4)` in `0.1M Na_(2)SO_(4)` solution is (`K_(sp)` of `PbSO_(4)` is `1.25 xx 10^(-9)`)

A

`0.1 M`

B

`1.25xx10^(-10)M`

C

`1.25xx10^(-17)M`

D

`1.25xx10^(-9)M`

Text Solution

Verified by Experts

The correct Answer is:
C
`PbSO_(4) hArr Pb^(+2)+SO_(4)^(-2)` `underset(S)(PbSO_(4)) hArr underset(0.01)(Pb^(+2)+SO_(4)^(-2))`
because `]SO_(4)^(-2)]=[Na_(2)SO_(4)]`
`:.S=(K_(SP))/(0.01)=1.25x 10^(-7)`
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