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How does the presence of a non-volatile solute in a binary solution affect the vapor pressure of the solvent?

Options

  1. AIt increases the vapor pressure.
  2. BIt has no effect on the vapor pressure.
  3. CIt decreases the vapor pressure.
  4. DIt depends on the temperature.

Correct answer

C. It decreases the vapor pressure.

Step-by-step solution

The presence of a non-volatile solute in a binary solution decreases the vapor pressure of the solvent.

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