1.

Solubility product of a saltAB is 1 xx 10^(-8) in a solution in which concentration of A is 10^(-3) M. The salt will precipitate when the concentration of B becomes more than

Answer»

`10^(-4) M`
`10^(-7) M`
`10^(-6) M`
`10^(-5) M`

Solution :`[B] = (K_(sp)AB)/([A]) = (1 XX 10^(-8))/(10^(-3)) = 1 xx 10^(-5) M`
Where ionic PRODUCT `gt K_(sp)`, ppt formed
`:.` B should be more then `10^(-5)M`.


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