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Question

What is the term used for the solution that obeys Raoult's law?


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Solution

Raoult's law

  • “For a solution of volatile liquids, the partial vapor pressure of each component of the solution is directly proportional to its mole fraction present in solution”.

Ideal solution

  • "The solutions which obey Raoult’s law over the entire range of concentration are known as ideal solutions. "

Conditions for the ideal solution

  • Two important properties of an ideal solution are as follows:-
  • Hmix=0, and Vmix=0
  • Here,Hmix is the enthalpy of mixing of the pure components to form the solution.
  • Vmix is the volume of mixing.

Hence, the “ideal solution” term is used for the solution that obeys Raoult's law.


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