What is the molar mass of a sugar, if a solution of 1.4 g of the sugar in 0.20 L of solution has an osmotic pressure of 3.5 atm at 37âC? Use R=0.08206L atmmol K in your calculation.
Report your answer with two significant figures.

If a molecule with a molecular formula of c13h18 is treated with an excess of h2 in the presence of finally divided pt metal under conditions required for maximum hydrogenation of the molecule to give a molecule with a formula c13h24, how many rings are in the molecule?