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A mixture consists of 78,1 g benzene (CSH6) and 92,1 g toluene (C7HS). Both substances are volatile, and their vapour pressures (in the pure form) are as follows at 20°C: Benzene: 0.0988 atm Toluene: 0.0287 atm a) Which substance, benzene or toluene, would have the lowest boiling point in the pure form? Give a reason or your answer. b) Calculate the vapour pressure of the benzene-toluene mixture at 20°C.

A mixture consists of 78,1 g benzene (CSH6) and 92,1 g toluene (C7HS). Both substances are volatile, and their vapour pressures (in the pure form) are as follows at 20°C: Benzene: 0.0988 atm Toluene: 0.0287 atm a) Which substance, benzene or toluene, would have the lowest boiling point in the pure form? Give a reason or your answer. b) Calculate the vapour pressure of the benzene-toluene mixture at 20°C.

Chemistry: An Atoms First Approach
Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter9: Liquids And Solids
Section: Chapter Questions
Problem 117AE
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A mixture consists of 78,1 g benzene (CSH6) and 92,1 g toluene (C7HS). Both substances are volatile, and their vapour pressures (in the pure form) are as follows at 20°C: Benzene: 0.0988 atm Toluene: 0.0287 atm a) Which substance, benzene or toluene, would have the lowest boiling point in the pure form? Give a reason or your answer. b) Calculate the vapour pressure of the benzene-toluene mixture at 20°C.
Transcribed Image Text:A mixture consists of 78,1 g benzene (CSH6) and 92,1 g toluene (C7HS). Both substances are volatile, and their vapour pressures (in the pure form) are as follows at 20°C: Benzene: 0.0988 atm Toluene: 0.0287 atm a) Which substance, benzene or toluene, would have the lowest boiling point in the pure form? Give a reason or your answer. b) Calculate the vapour pressure of the benzene-toluene mixture at 20°C.
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