what is raoults law
Solution
Raoult's Law is a principle in physical chemistry which asserts that the partial 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.
Here are the steps to understand it:
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Understand the concept of vapor pressure: Vapor pressure is the pressure exerted by a vapor in thermodynamic equilibrium with its condensed phases at a given temperature in a closed system.
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Understand the concept of an ideal mixture: An ideal mixture is one where the interactions between the different molecules are the same as the interactions between the molecules of each pure component.
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Understand the concept of mole fraction: The mole fraction is the ratio of the number of moles of a particular component in a mixture to the total number of moles in the mixture.
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Put it all together: Raoult's Law states that for an ideal mixture of liquids, the vapor pressure of each component (i.e., the pressure it would exert if it were alone in the container) is proportional to its mole fraction. In other words, if you have a mixture of two liquids A and B, the vapor pressure of
Similar Questions
Raoult's law is a special case of Henry's law.
According to Raoult’s law, what is meant by positive and negative deviaitions and how is the sign of ∆solH related to positive and negative deviations from Raoult’s law?
According to Raoult's law, which statement is false?Group of answer choicesThe vapor pressure of a solvent over a solution is less than that of pure solvent.The vapor pressure of a solvent over a solution decreases as its mole fraction increases.The greater the pressure of a gas over a solution the greater its solubility.Ionic solutes dissociate in solution causing an enhancement of all colligative propertiesThe solubility of a gas increases as the temperature decreases.
This law is based on the three laws of gases– Boyle’s, Charles’ and Gay-Lusaacs.
the liquid.These particles will collide with the container walls and the surface of the liquid, occasionally re-forming bonds with the bulk liquid and .Eventually, an equilibrium will be reached where the rate of evaporation is the rate of condensation. At this point, the pressure exerted upon the container walls by the is known as the vapour pressure.
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