`0.2` molal NaOH solution is prepared in water . Mole fraction of solute is _______.

Molality of an aqueous solution having 0.9 mole fraction of solvent is

Molality of an aqueous solution having 0.9 mole fraction of solvent is

3.2 molal aqueous solution will have mole fraction of solute equal to

3.2 molal aqueous solution will have mole fraction of solute equal to

An'X' molal solution of a compound in benzene has mole fraction of solute equal to 0.2 The value of 'X' is nearly

The molality of aqueous solution of any solute having mole fraction 0.25 is