A solution of acetic acid (CH3COOH) 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: acetic acid % water normal boiling point 118. °C 100. °C density 1.1 1.008 mL X mL x10 vapor pressure at 103.1 °C Be sure your answer has the correct number of significant digits. Note for advanced students: you may assume the solution and vapor above it are ideal. 568. torr ? 846. torr

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A solution of acetic acid (CH₂COOH) 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:
acetic acid
%
water
normal
boiling point
118. °C
100. °C
density
1.1 g
mL
1.00
X
x10
mL
vapor pressure
at 103.1 °C
Be sure your answer has the correct number of significant digits.
Note for advanced students: you may assume the solution and vapor above it are ideal.
568. torr
?
846. torr
Transcribed Image Text:A solution of acetic acid (CH₂COOH) 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: acetic acid % water normal boiling point 118. °C 100. °C density 1.1 g mL 1.00 X x10 mL vapor pressure at 103.1 °C Be sure your answer has the correct number of significant digits. Note for advanced students: you may assume the solution and vapor above it are ideal. 568. torr ? 846. torr
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