in what way kf and kb are similar and in what way they are different
Answers
Answer:
units of kf and kb are same. kf=kb=k kg/mol
and kb is called as ebullioscopic constant and kf is called as cryoscopic constant.
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Explanation:
Answer:
The Kf and Kb have the same SI unit and the differences are Kb is elevation boiling point constant while Kf is depression freezing point constant
Kf is the depression in freezing point produced by 1 molal solution of a nonvolatile solute while Kb is the elevation in boiling point produced by 1 molal solution of a nonvolatile solute.
Boiling point elevation is the difference in temperature between the boiling point of the pure solvent and that of the solution. The molal boiling-point elevation constant is equal to the change in the boiling point for a 1-molal solution of a nonvolatile molecular solute
The proportionality constant, Kf, is called the molal freezing-point depression constant. It is a constant that is equal to the change in the freezing point for a 1-molal solution of a nonvolatile molecular solute. For water, the value of Kf is −1.86oC/m