Raoult's law is a law of thermodynamics established by French chemist François-Marie Raoult in 1882. It states that the partial vapor pressure of each component of an ideal mixture of liquids is equal to the vapor pressure of the pure component multiplied by its mole fraction in the mixture. Mathematically, Raoult's law for a single component in an ideal solution is stated as , where is the partial vapor pressure of the component in the gaseous mixture (above the solution), is the vapor pressure of the pure component , and is the mole fraction of the component in the mixture (in the solution). . .

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• Raoult's law is a law of thermodynamics established by French chemist François-Marie Raoult in 1882. It states that the partial vapor pressure of each component of an ideal mixture of liquids is equal to the vapor pressure of the pure component multiplied by its mole fraction in the mixture. Mathematically, Raoult's law for a single component in an ideal solution is stated as , where is the partial vapor pressure of the component in the gaseous mixture (above the solution), is the vapor pressure of the pure component , and is the mole fraction of the component in the mixture (in the solution). Once the components in the solution have reached equilibrium, the total vapor pressure of the solution can be determined by combining Raoult's law with Dalton's law of partial pressures to give . If a non-volatile solute (zero vapor pressure, does not evaporate) is dissolved into a solvent to form an ideal solution, the vapor pressure of the final solution will be lower than that of the solvent. The decrease in vapor pressure is directly proportional to the mole fraction of solute in an ideal solution. . (en)
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• Raoult's law is a law of thermodynamics established by French chemist François-Marie Raoult in 1882. It states that the partial vapor pressure of each component of an ideal mixture of liquids is equal to the vapor pressure of the pure component multiplied by its mole fraction in the mixture. Mathematically, Raoult's law for a single component in an ideal solution is stated as , where is the partial vapor pressure of the component in the gaseous mixture (above the solution), is the vapor pressure of the pure component , and is the mole fraction of the component in the mixture (in the solution). . . (en)
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• Raoult's law (en)
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