falconwiren9341 falconwiren9341

03-04-2018
Chemistry

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Why does the vapor pressure decrease when a solute is added?

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mkryukova19 mkryukova19

03-04-2018

the evaporation below boiling point goes mostly from the surface of the liquid.
When a solute is added, some particles of a solute take places on the surface of liquid. Amount of molecules of liquid that are able to go to the gas phase are decreasing, so and the vapor pressure decreases also

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