Calculate the concentration of an aqueous sol | vedclass

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(B) The osmotic pressure $(\pi)$ of a solution is given by the formula: $\pi = CRT$,where $C$ is the molar concentration,$R$ is the gas constant,and $

Vedclass · Accepted Answer

$0.487$

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(B) The osmotic pressure $(\pi)$ of a solution is given by the formula: $\pi = CRT$,where $C$ is the molar concentration,$R$ is the gas constant,and $T$ is the temperature in Kelvin. Given: $\pi = 12 \ atm$,$T = 300 \ K$,$R = 0.0821 \ atm \ dm^3 \ K^{-1} \ mol^{-1}$. Rearranging the formula for concentration: $C = \frac{\pi}{RT}$. Substituting the values: $C = \frac{12}{0.0821 	imes 300}$. $C = \frac{12}{24.63} \approx 0.487 \ M$. Therefore,the correct option is $B$.

Calculate the concentration of an aqueous solution of a non-electrolyte at $300 \ K$ if its osmotic pressure is $12 \ atm$. $\left[R = 0.0821 \ atm \ dm^3 \ K^{-1} \ mol^{-1}\right]$ (in $M$)

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