3.42 g of a substance of molecular weight 342 is present in 250g of water. Molality of this solution is

Three grams of salt of molecular weight 30 is dissolved in 250 g of water. The molality of the solution is….

3g of a salt [mol. Wt. 30] is dissolved in 250 g of water the molality of the solution is

4.5g mass of a substance (molar mass = 90g/mol) is dissolved in 250ml solution, the molarity of solution is

An aqueous solution of urea containing 18 g urea in 1500 cm^3 of solution has a density of 1.052 g/ cm^3 . If the molecular weight of urea is 60, then the molality of solution is-

An aqueous solution of urea containing 18 g urea in 1500 cm^(3) of solution has a density of 1.5 g//cm^(3) . If the molecular weight of urea is 60. Then the molality of solution is: