A solution sontain 8 g of a carbohydrate in 100 g of water has a density 1.025 g/mL and an osmotic pressure of 5 atm at `27^(@) C`. What is the molar mass of the carbohydrate?

A solution containing 4.0 g of PVC in 2 liter of dioxane (industrial solvent ) was found to have an osmotic pressure 3.0 x 10^(-4) atm at 27^(@)C . The molar mass of the polymer (g/mol) will be :

The degree of dissociation of Ca(NO_3)_2 in dilute aqueous solution containing 7.0 g of the salt per 100 g of water at 100^@C is 70 percent. If the vapour pressure of water at 100^@C is 760 mm, calculate the vapour pressure of the solution.

200 cm^3 of an aqueous solution of a protein contains 1.26g of the protein . The osmotic pressure of such a solution at 300K is found to be 2.7 xx 10^-3 bar. Calculate the molar mass of the protein (R=0.083 L bar mol^-1 K^-1 )

An aqueous solution of ethanol has density 1.025 g/mL and it is 2 M. What is the molality of this solution ?

An aqueous solution containing 6 g of ureas in 500 mL of solution has a density equal to 1.05. if the molar mass of urea is 60. then the molality of solution is

A solution containing 30 g of non-volatile solute exactly in 90 g of water has a vapour pressure of 2.8 kPa at 298 K. Further, 18 g of water is then added to the solution and the new vapour pressure becomes 2.9 kPa at 298 K. Calculate: molar mass of the solute

A solution containing 30 g of non-volatile solute exactly in 90 g of water has a vapour pressure of 2.8 kPa at 298 K. Further, 18 g of water is then added to the solution and the new vapour pressure becomes 2.9 kPa at 298 K. Calculate: vapour pressure of water at 298 K.

A solution of glucose has been prepared at 298K dissolving 7.2 g of glucose in 100 g of water. k_f water is 1.86Km^-1 and vapour pressure of water at 298K is 0.024 atm. The vapour pressure of the solution at 298K will be

Ice begins to separate at -0.744^@C from a solution containing 2.4 g of non-electrolyte solute in 100 g of water. Calculate the molecular weight of non-electrolyte and osmotic pressure which the solution would exert at 20^@C ?

34.05 mL of phosphorus vapour weighs 0.0625 g at 546^(@)C and 0.1 bar pressure. What is the molar mass of phosphorus ?