At 39.9ºC, a solution of ethanol (XetOH = 0.9006, P * etOH = 130.4 Torr) and isooctane (P * iso = 43.9 Torr) forms a vapor phase with YetOH = 0.6667. The total pressure is 185.9 a. Calculate the activity and the activity coefficient of each component. b. Calculate the total pressure the solution would have if it were ideal.

Principles Of Pharmacology Med Assist
6th Edition
ISBN:9781337512442
Author:RICE
Publisher:RICE
Chapter4: The Metric System
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At 39.9ºC, a solution of ethanol (XetOH = 0.9006, P * etOH = 130.4 Torr) and isooctane (P * iso = 43.9 Torr) forms a vapor phase with YetOH = 0.6667. The total pressure is 185.9

a. Calculate the activity and the activity coefficient of each component.
b. Calculate the total pressure the solution would have if it were ideal.
c. Comparing the ideal pressure to the actual pressure, what does this indicate about the molecular interactions?

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