A solution of acetic acid (CH;COOH) : and water is boiling 103.1 °C. A sample of the vapor above the solution is cooled until it condenses. This condensed sample is analyzed, and turns out to be 50.% acetic acid by mass. Calculate the percent by mass of acetic acid in the boiling solution. Here's some data you may need: normal vapor pressure density boiling point at 103.1 °C acetic acid 118. °C 568. torr 1.1 mL 100. °C 1.00 mL water 846. torr Be sure your answer has 2 significant digits. Note for advanced students: you may assume the solution and vapor above it are ideal.

Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
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A solution of acetic acid (CH,COOH) and water is boiling at 103.1 °C. A sample of the vapor above the solution is cooled until it condenses. This condensed
sample is analyzed, and turns out to be 50.% acetic acid by mass.
Calculate the percent by mass of acetic acid in the boiling solution. Here's some data you may need:
normal
vapor pressure
density
boiling point
at 103.1 °C
g
1.1
mL
acetic acid
118. °C
568. torr
100. °C
1.00
mL
846. torr
water
Be sure your answer has 2 significant digits.
Note for advanced students: you may assume the solution and vapor above it are ideal.
?
Transcribed Image Text:A solution of acetic acid (CH,COOH) and water is boiling at 103.1 °C. A sample of the vapor above the solution is cooled until it condenses. This condensed sample is analyzed, and turns out to be 50.% acetic acid by mass. Calculate the percent by mass of acetic acid in the boiling solution. Here's some data you may need: normal vapor pressure density boiling point at 103.1 °C g 1.1 mL acetic acid 118. °C 568. torr 100. °C 1.00 mL 846. torr water Be sure your answer has 2 significant digits. Note for advanced students: you may assume the solution and vapor above it are ideal. ?
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