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

2.82g of glucose is dissolved in 30g of water. The mole fraction of glucose in the solution is

2.82g of glucose (molar mass =180 ) is dissolved in 30g of water. Calculate the (i) Molality of the solution (ii) mole fractions of (a) glucose (b) water.

The vapour pressure of water at T(K) is 20 mm Hg. The following solutions are prepared at T(K) I. 6 g of urea (molecular weight = 60) is dissolved in 178.2 g of water. II. 0.01 mol of glucose is dissolved in 179.82 g of water. III. 5.3 g of Na_(2)CO_(3) (molecular weight = 106) is dissolved in 179.1 g of water. Identify the correct order in which the vapour pressure of solutions increases

0.1 mole of sugar is dissolved in 250 g of water. The freezing point of the solution is [K_(f) "for" H_(2)O = 1.86^(@)C "molal"^(-1)]

The molality of a solution having 36 g of glucose dissolved in 500 g of water is

A solution is made by dissolving 49g of H_2SO_4 in 250 mL of water. The molarity of the solution prepared is

The molality of a solution having 18 g of glucose dissolved in 500 g of water is

Twenty grams of a substance were dissolved in 500ml. Of water and the osmotic pressure of the solution was found to be 600mm of mercury at 15^(@)"C". Determine the molecular weight of the substance.

An aqueous solution of urea containing 18 g urea in 1500 cm^(3) of solution has density equal to 1.052. If the molecular weight of urea is 60, find the molality of the solution.

If common salt is dissolved in water, the vapour pressure of the solution will