QUESTION 11 0.5 points Save Answer As the concentration of a solute in a solutio

Question

QUESTION 11 0.5 points Save Answer As the concentration of a solute in a solution increases, the boiling point of the solution , the freezing point of the solution pressure of the solution and the vapor increases, decreases, is unaffected is unaffected unless the solute is an electrolyte, is unaffected unless the solute is an electrolyte, is unaffected unless the solute is an electrolyte increases, decreases, decreases O decreases, increases, increases O increases, decreases, increases QUESTION 12 0.5 points Save Answer The magnitudes of Kf and of Kb depend on the . strength of the electrolye temperature of the solution. concentration of the solution O identity of the solvent identity of the solute Click Sqve aud Submit to save and submit. Click Save All Answers to save all answers

Explanation / Answer

11) we know that

dTb = Kb x m

dTf = - Kf x m

we can see that

as the concentration of solute increases

boiling point increases and freezing point decreases

similarly , as the concentration of solute increases , concentration of solvent decreases

so vapor pressure of the solution will decrease

so

increases , decreases , decreases

12 ) the values of Kf and Kb are constant

and only depends on the identity of the solvent

so

identity of the solvent

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