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Raoult's law. In DICTIOUS you will not only get to know all the dictionary meanings for the word
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English
Etymology
Proposed by French chemist François-Marie Raoult.
Proper noun
Raoult's law
- (chemistry) A relation which states that given an ideal solution and a gas in equilibrium, the partial pressure of each component in the gas equals its mole fraction in the solution multiplied by its equilibrium vapor pressure.
- Pcomp = Xcomp ⋅ Pvap
Examples
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- An ideal mixture consisting of 90% water (Pvap = 23.77 mmHg) and 10% ethanol (Pvap = 58.71 mmHg) by moles will have a vapour pressure of about (0.9)(23.77) + (0.1)(58.71) = 27.26 mmHg.
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See also