Osmotic pressure of a solution containing 7 g of a protein per 100 mL of solution is 25 mm of Hg at370C. Calculate the molecular mass of protein. R= 0.082 L atm mol−1K−1.
n is number of moles
w is mass of solute
M is molecular mass of solute
π=25 mm Hg⇒25760 atmR=0.0821 L atm mol−1K−1w=7 gT=37∘C=310 KV=0.1 L