200 mL of an aqueous solution of a protein contains its 1.26 g. The Osmotic pressure of this solution at 300 K is found to be 2.57 × 10^-3 bar. The…

$\displaystyle 200$ mL of an aqueous solution of a protein contains its $\displaystyle 1.26$ g. The Osmotic pressure of this solution at $\displaystyle 300$ K is found to be $\displaystyle 2.57 \times 10^{-3}$ bar. The molar mass of protein will be $\displaystyle \left(\mathrm{R}=0.083 \mathrm{~L}\right.$ bar $\displaystyle \left.\mathrm{mol}^{-1} \mathrm{~K}^{-1}\right)$ :