Why is vapour pressure solution containing a non volatile solute less than that of the pure solvent?
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Vapor Pressure Lowering. The vapor pressure of solution is lower than that of the pure liquid. More correctly, the vapor pressure of solution containing a non-volatile (zero vapor pressure) solute is lower than that of the pure solvent. Because the solution is more stable, fewer molecules are leaving to the gas phase.
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The vapor pressure of solution is lower than that of the pure liquid. More correctly, the vapor pressure of solution containing a non-volatile (zero vapor pressure) solute is lower than that of the pure solvent. ... Because the solution is more stable, fewer molecules are leaving to the gas phase.
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