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Author Question: Solutions of benzene and toluene obey Raoult's law. The vapor pressures at 20C are: benzene, 76 ... (Read 543 times)

schs14

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on: Mar 21, 2021

Question 1

Solutions of benzene and toluene obey Raoult's law. The vapor pressures at 20°C are: benzene, 76 torr; toluene, 21 torr.

What is the mole fraction of benzene in a benzene-toluene solution whose vapor pressure is 57 torr at 20°C?

Reference: Ref 11-2

​

​


◦ 0.22
◦ 0.38
◦ 0.62
◦ 0.72
◦ 0.78

Question 2

Solutions of benzene and toluene obey Raoult's law. The vapor pressures at 20°C are: benzene, 76 torr; toluene, 21 torr.

If the mole fraction of benzene in a particular benzene-toluene solution is 0.64, what is the mole fraction of benzene in the vapor phase in equilibrium with that solution?

Reference: Ref 11-2

​

​


◦ 0.23
◦ 0.46
◦ 0.59
◦ 0.78
◦ 0.84
Chemistry: An Atoms First Approach ¦ Zumdahl, DeCoste ¦ 3rd Edition
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Marked as best answer by schs14 on Mar 21, 2021

mbcrismon

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Reply #1 on: Mar 21, 2021
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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sjwebby@hotmail.com

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Reply #2 on: Apr 23, 2022
thank you!!!


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