Question

Q.8 mole fraction of solvent in aqueous solution of naoh having molality of 3 is

Answer 1

molality=mol of substance/kg of solvent

mole fraction= mol of substance/ total moles in solution

Answer 2

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☆ Molality (m) is defined as the number of moles of solute per kilogram of solvent.

☆ Molarity is a measurement of the moles in the total volume of the solution, whereas molality is a measurement of the moles in relationship to the mass of the solvent.