The freezing point of an aqueous solution containing pantothenic acid (M=205.3 g/mol) is-0.43C. Calculate the osmotic pressure at 18C, at which the density of the solution is 1.014 g/mL. Assume pantothenic acid not dissociating in solution. bar An aqueous solution containing 0.976 g of a sugar in 100 mL of a solution has an osmotic pressure of 1.33 bar at 25.0 C. What is the molar mass of this sugar? g/mol