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(B) The osmotic pressure $\pi$ is given by the formula $\pi = iCRT$,where $i$ is the van't Hoff factor,$C$ is the molar concentration,$R$ is the gas c

Vedclass · Accepted Answer

$6 	imes 10^{-2}$

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(B) The osmotic pressure $\pi$ is given by the formula $\pi = iCRT$,where $i$ is the van't Hoff factor,$C$ is the molar concentration,$R$ is the gas constant,and $T$ is the temperature.For $XY$,which dissociates as $XY ightarrow X^+ + Y^-$,the van't Hoff factor $i = 2$.For $BaCl_2$,which dissociates as $BaCl_2 ightarrow Ba^{2+} + 2Cl^-$,the van't Hoff factor $i = 3$.Given that $\pi_{XY} = 4 	imes \pi_{BaCl_2}$,we have:$2 	imes C_{XY} 	imes RT = 4 	imes (3 	imes 0.01 	imes RT)$$2 	imes C_{XY} = 0.12$$C_{XY} = 0.06\, M = 6 	imes 10^{-2}\, mol\, L^{-1}$.

The osmotic pressure of a dilute solution of an ionic 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

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