Question

give mathematical expression for depression in freezing point....​

Answer 1

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Freezing point depression is a colligative property observed in solutions that results from the introduction of solute molecules to a solvent. The freezing points of solutions are all lower than that of the pure solvent and is directly proportional to the molality of the solute.

Freezing point depression is a colligative property observed in solutions that results from the introduction of solute molecules to a solvent. The freezing points of solutions are all lower than that of the pure solvent and is directly proportional to the molality of the solute.ΔTf=Tf(solvent)−Tf(solution)=Kf×m(1)

Freezing point depression is a colligative property observed in solutions that results from the introduction of solute molecules to a solvent. The freezing points of solutions are all lower than that of the pure solvent and is directly proportional to the molality of the solute.ΔTf=Tf(solvent)−Tf(solution)=Kf×m(1)where ΔTf is the freezing point depression, Tf (solution) is the freezing point of the solution, Tf (solvent) is the freezing point of the solvent, Kf is the freezing point depression constant, and m is the molality.

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Answer 2

The mathematical expression for depression in freezing point is Δ$T_f$ = $T_f_{solvent}$ - $T_f_{solution}$ = $K_f$×m

• The point where the liquids become solid in normal atmospheric pressure is called the freezing point.
• When the freezing point of the solution is less than the freezing point of solvent then this is said as depression in the freezing point.
• In this case, the temperature of the solution should be made lower than the temperature of the solvent for the freezing process to occur.