Which of the following statements are true about solutions? (pick all that apply

Question

Which of the following statements are true about solutions? (pick all that apply)

A-The polarity of a solute and solvent tends to determine solubility of the solute in that solvent.

B-Adding a solute to a solvent tends to increase the solvent's melting point.

C-Adding a solute to a solvent tends to increase the solvent's boiling point.

D-Adding a solute to a solvent tends to have no effect on the solvent's freezing or boiling point.

E-Changes in solvent freezing point and boiling point are dependent upon the solution's molality.

Explanation / Answer

A. The polarity of a solute and solvent tends to determine solubility of the solute in that solvent.

C. Adding a solute to a solvent tends to increase the solvent's boiling point. (Elevation in boiling point)

E. Changes in solvent freezing point and boiling point are dependent upon the solution's molality (Tf - Ti = Kb x b, Kb is boiling point constant and b is molality).

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