Osmotic pressure of 1 mol of ideal solute relative to pure water is: (A) 6.5 atm., (B) 22.4 atm., (C) 4 atm., (D) 2 atm.
Answer is B. According to the Van't Hoff equation, an ideal solution containing 1 mole of dissolved paicles per liter of solvent at 0deg C will have an osmotic pressure of 22.4 atm Ref guyton and hall textbook of medical physiology 12/e pg159