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At 90 °C the vapour pressure of toluene (methylbenzene) is 53 kPa and that of o-xylene (1,2-dimethylbenzene) is 20 kPa.  (a) What is the molar fraction of toluene in the liquid mixture when the total vapor pressure is 0.50 atm at 90 °C? In liquid, xtoluene =........... At 90 °C the vapour pressure of toluene (methylbenzene) is 53 kPa and that of o-xylene (1,2-dimethylbenzene) is 20 kPa. (b) What is the molar fraction of toluene in the gas phase when the total vapor pressure is 0.50 atm at 90 °C? In gas, xtoluene = __________ .

At 90 °C the vapour pressure of toluene (methylbenzene) is 53 kPa and that of o-xylene (1,2-dimethylbenzene) is 20 kPa.  (a) What is the molar fraction of toluene in the liquid mixture when the total vapor pressure is 0.50 atm at 90 °C? In liquid, xtoluene =........... At 90 °C the vapour pressure of toluene (methylbenzene) is 53 kPa and that of o-xylene (1,2-dimethylbenzene) is 20 kPa. (b) What is the molar fraction of toluene in the gas phase when the total vapor pressure is 0.50 atm at 90 °C? In gas, xtoluene = __________ .

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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  1. At 90 °C the vapour pressure of toluene (methylbenzene) is 53 kPa and that of o-xylene (1,2-dimethylbenzene) is 20 kPa. 

(a) What is the molar fraction of toluene in the liquid mixture when the total vapor pressure is 0.50 atm at 90 °C?

In liquid, xtoluene =...........

At 90 °C the vapour pressure of toluene (methylbenzene) is 53 kPa and that of o-xylene (1,2-dimethylbenzene) is 20 kPa.

(b) What is the molar fraction of toluene in the gas phase when the total vapor pressure is 0.50 atm at 90 °C?

In gas, xtoluene = __________ .  

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