The Following Diagram Shows a Close-Up View of the Vapor

question 93

Multiple Choice

The following diagram shows a close-up view of the vapor pressure curves for a pure solvent and a solution containing a nonvolatile solute dissolved in this solvent.
-Which curve is the solvent and what happens to the boiling point when the solute is dissolved in the solvent?

• A)Curve (a)is the solvent and the boiling point decreases.
• B)Curve (a)is the solvent and the boiling point increases.
• C)Curve (b)is the solvent and the boiling point decreases.
• D)Curve (b)is the solvent and the boiling point increases.

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