1.

The osmotic pressure of a dilute solution of a compound XY in water is four times that of a solution of 0.01 M BaCl_(2)in water. Assuming complete dissociation of the given ionic compounds in water, the concentration of XY(in "mol" L^(-1))in solution is:

Answer»

`4xx10^(-2)`
`6xx10^(-2)`
`4xx10^(-4)`
`16xx10^(-4)`

Solution :We know, `pi=iCRT, pi_(xy)=4pi_(BaCl_(2))`
`therefore 2[XY]=4xx(0.01)xx3`
`[XY]=0.06`
`=6xx10^(-3)"mol/L"`


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