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Two salts A(2)X and MX have the same val...

Two salts `A_(2)X `and MX have the same value of solubility product of `4.0 xx 10 ^(-12).` The ratio of their molar solubilities i.e. `(S (A_(2) X))/(S ( MX))= "________"` (Round off to the Nearest Integer).

Text Solution

Verified by Experts

The correct Answer is:
`50`
`A_(2)XhArrunderset(2s_(1))(2A^(+))+underset(s_(1))(X^(2-))`
`K_(sp)=4s_(1)^(3)impliess_(1)=root3((K_(sp))/(4))=10^(-4)`
`MXhArrunderset(s_(2))(M^(2+))+underset(s_(2))(X^(2-))`
`K_(sp)=s_(2)^(2)impliess_(2)=sqrt(K_(sp))=2xx10^(-6)`
`s_(1)=s(A_(2)X)`, `s_(2)=s(MX)`
`(s_(1))/(s_(2))=(10^(-4))/(2xx10^(-6))=50`.
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