20.An aqueous solution of urea containing 18 g urea in 1500 cc of solution has a density of 1.052 g/cc. If the mol. Wt. Of urea is 60 then the molality of solution is?

Q. An aqueous solution of urea containing 18g urea in 1500 cm${}^3$ of the solution has a density equal to 1.052. If the molecular weight of urea is 60, the molality of the solution is:

Q. Mass percentage of urea in aqueous solution is 30%.The molality of urea in the solution is:
(Mol. wt. of urea = 60 g mole${}^{-1}$)

Q. The mole fraction of urea in an aqueous urea solution containing $900g$ of water is $0.05$. If the density of the solution is $1.2gc{m}^{-3}$, the molarity of urea solution is______
(Given data: Molar masses of urea and water are $60gmo{l}^{-1}$ and $18gmo{l}^{-1}$, respectively.)

Q. 255 g of an aqueous solution contains 5 g of urea. What is the concentration of the solution in terms of molality?
(Molar mass of urea = 60 g/mol)

Q. Calculate the molality and mole fraction of the solute in an aqueous solution containing 6 g of urea per 500 g of water (Mol. mass of urea = 60).