raoults law

Raoult's law

[rah-oolz]
noun Physical Chemistry.
the principle that the fraction by which the vapor pressure of a solvent is lowered by the addition of a nonvolatile, nonelectrolytic solute is equal to the mole fraction of the solute in the solution.

Origin:
1890–95; named after François Raoult (1830–1901), French chemist and physicist

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Raoult's law Ra·oult's law (rä-ōōlz')
n.
The principle that the vapor pressure of a solution is equal to the vapor pressure of the pure solvent multiplied by the mole fraction of the solvent in the solution.

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