when a non-volatile solute is added to a volatile solvent, the vapor pressure of the solvent is reduced. why?

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19-12-2022
Chemistry

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when a non-volatile solute is added to a volatile solvent, the vapor pressure of the solvent is reduced. why?

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jaspreetsharma jaspreetsharma · Answer 1 · 2022-12-21T19:28:47-05:00

when a non-volatile solute is added to a volatile solvent, the vapor pressure of the solvent is reduced Because solute molecules occupy some of the surface sites. As a result, there is less room for the solvent molecule to vaporise.

nonvolatile solute is a material that doesn't vaporise easily. Furthermore, when dissolved into a solvent, it has no impact on the solution's vapour pressure. What exactly is indeed a nonvolatile liquid? Volatile and non - volatile liquids have a low moisture content and a large melting point. Non-volatile substances involve: Non-volatile substances are those that don't vaporise quickly. At normal room temperature and pressure, they don't have a higher vapour pressure. At ambient temperature, nonvolatile substances are mostly solids. Dissolved compounds include sodium chloride and silver nitrate. Water, with a boiling temperature of 100 degrees Celsius, is an excellent example of a non-volatile liquid. This is due to the influence of strong hydrogen bonds between molecules of water, as previously discussed. Mercury is a non-volatile liquid as well.

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