A solution prepared by dissolving 8.95 mg of a gene fragment in 35.0 mL of water has an osmotic pressure of 0.335 torr at `25^(@)C`. Assuming that the gene fragment is a non-electrolyte, calculate its molar mass.

A solution is prepared by dissolving 1.0 g of NaOH in water to get 250 ml of solution . Calculate its molarity .

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 is prepared by dissolving 18.25g of NaOH in distilled water to give 200ml of solution. calculate the molarity of solution.

A solution of NaOH is made by dissolving of 0.9 g of it in 100 ml of its solutoin. Calculate the molarity of the solution.

Determine the amount of CaCl_2 (i = 2.47) dissolved in 2.5 litre of water such that its osmotic pressure is 0.75 atm at 27° C.

Determine the osmotic pressure of solution prepared by dissolving 2.5xx10^-2 g of K_2SO_4 in 2L of water at 25^@C , assuming that it is completely dissociated. (R= 0.0821 L atm K^-1 mol^-1) , Molar mass of K_2SO_4= 174g mol^-1

Determine the osmotic pressure of a solution prepared by dissolving 25 mg of K_2SO_4 in 2 litre of water at 25° C, assuming that it is completely dissociated.

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 amount of the sodium chloride that should be dissolved in the same amount of water to get the same freezing point will be

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 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 :