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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 molarity,$R$ is the gas constant,and

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$200 \ mL$ of $1 \ M$ glucose solution

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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 molarity,$R$ is the gas constant,and $T$ is the temperature.For $NaCl$ (strong electrolyte),$i = 2$ (dissociates into $Na^+$ and $Cl^-$). Thus,$\pi_a = 2 	imes 2 \ RT = 4 \ RT$.For glucose (non-electrolyte),$i = 1$. Thus,$\pi_b = 1 	imes 1 \ RT = 1 \ RT$.For urea (non-electrolyte),$i = 1$. Thus,$\pi_c = 1 	imes 2 \ RT = 2 \ RT$.Comparing the values,the glucose solution has the minimum osmotic pressure.

Which of the following will have the minimum osmotic pressure?

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