200 mL of an aqueous of a protein contains 1.26 g of the solute. The osmotic pressure of the solution at 300 K is found to be `2.57xx10^(-3)` bar. The molar mass of protein will be (R=0.083 L bar `"mol"^(-1)K^(-1)`)

Options

A. `51022 g"mol"^(-1)`
B. `122044 g"mol"^(-1)`
C. `31011 g"mol"^(-1)`
D. `61038 g"mol"^(-1)`

Answer

D