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Citation:
YIN Xuebo. Relationship and Difference among Raoult's Law, Henry's Law, and Azeotropic Solution[J]. University Chemistry,
;2018, 33(5): 61-65.
doi:
10.3866/PKU.DXHX201801010
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Gas-liquid equilibrium is important in classroom teaching and practical production. In this paper, the relationship and difference among Raoult's Law, Henry's Law, and azeotropic solution are discussed from the point of microscopic view. The different interactions between solvent-solvent, solvent-solute, and solute-solute lead to that the two laws are only useful for dilute solution. When the apparent vapor pressure of the solvent and solute are equal to each other by tuning their mole fraction, the azeotropic solution is produced.
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Keywords:
- Raoult's Law,
- Henry's Law,
- Azeotropic solution,
- Microscopic view
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