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A saturated solution of a salt MX exhibi...

A saturated solution of a salt MX exhibits an osmotic pressure of `74.4mm` Hg at `25^(@)C`. Assuming `100%` ionisation of MX, calculate `K_(SP)` of MX.

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`piV=nST(1+alpha)`
`pi=ST(1+alpha)`
`(74.4)/(760)=Cxx0.0821xx298xx2` , `(.: alpha=1)`
`:. C= 2.0xx10^(-3)"mol litre"^(-1)`
`:. K_(SP)of MX= C^(2)=4xx10^(-6)`
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