The expression relating molality (m) and mole fraction `(x_(2))` of solute in a solution is :

The expression relating molality and mole fraction of the solute in a solution is (molar mass of solvent= M_1 ):

The mole fraction of solute in molal aqueous solution is

The expression relating mole fraction of solute (chi_(2)) and molarity (M) of the solution is: (where d is the density of the solution in g L^(-1) and Mw_(1) and Mw_(2) are the molar masses of solvent and solute, respectively

The expression relating mole fraction of solute (chi_(2)) and molarity (M) of the solution is: (where d is the density of the solution in g L^(-1) and Mw_(1) and Mw_(2) are the molar masses of solvent and solute, respectively

Mole fraction of the solute in 1 molal aqueous solution is

Mole fraction of a solute in 2.5 molal aqueous solution is