A solution containing 500 g of a protein per litre is isotonic with a solution containing 3.42 g sucrose per litre. The molecular mass of protein in `5 xx 10^xx ` hence x is

20 g of sucrose solution in one litre is isotonic with a solution of boric acid containing 1.63 g of boric acid in 450 ml. Find the molecular weight of boric acid.

A decimolar solution of NaOH contains __________ of NaOH per litre of the solution.

What is the molality of a solution containing 200 mg of urea (molar mass 60g mol^(-1)) dissolved in 40g of water?

At 298 K, 100 cm of a solution containing 3.02 g of an unidentified solute exhibits an osmotic pressure of 2.55 atmosphere. What is the molecular mass of solute?

A solution containing 0.5 g of naphthalene in 50 g C Cl_4 yield a boiling point elevation of 0.4 k, while a solution of 0.6 g of an unknown solute in the same mass of the solvent gives a boiling point elevation of 0.65 k. Find the molar mass of the unknown solute.

Calculate the ratio of pH of a solution containing 1 mole CH_3COONa + 1 mole of HCI per litre and of the other solution containing 1 mole of CH_3COONa + 1 mole of CH_3COOH per litre

Calculate the molality of an aqueous solution containing 3.0g of urea (mol.mass=60) in 250g of water.

Calculate the normality of a solution containing 3.15g of hydrated oxalic acid dissolved in 300 ml of the solution

What is the freezing point of solution containing 3g of a non-volatile solute in 20g of water. Freezing point of pure water is 273K, K_(f) of water = 1.86 Kkg/mol. Molar mass of solute is 300 g/mol. T^(@)-T=K_(f)m