A solution of methyl acetate (C3H6O₂) and water is boiling at 79.8 °C. A sample of the vapor above the solution is cooled until it condenses. This condense sample is analyzed, and turns out to be 90.% methyl acetate by mass. Calculate the percent by mass of methyl acetate in the boiling solution. Here's some data you may need: methyl acetate water []% normal boiling point 57. °C 100. °C density 0.938 mL 1.00 g mL vapor pressure at 79.8 °C 1551. torr 359. torr Be sure your answer has 2 significant digits. Note for advanced students: you may assume the solution and vapor above it are ideal.

A solution of methyl acetate (C3H6O₂) and water is boiling at 79.8 °C. A sample of the vapor above the solution is cooled until it condenses. This condense sample is analyzed, and turns out to be 90.% methyl acetate by mass. Calculate the percent by mass of methyl acetate in the boiling solution. Here's some data you may need: methyl acetate water []% normal boiling point 57. °C 100. °C density 0.938 mL 1.00 g mL vapor pressure at 79.8 °C 1551. torr 359. torr Be sure your answer has 2 significant digits. Note for advanced students: you may assume the solution and vapor above it are ideal.

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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Question

A solution of methyl acetate (C3H60₂) and water is boiling at 79.8 °C. A sample of the vapor above the solution is cooled until it condenses. This condensed
sample is analyzed, and turns out to be 90.% methyl acetate by mass.
Calculate the percent by mass of methyl acetate in the boiling solution. Here's some data you may need:
methyl acetate
water
[]%
normal
boiling point
57. °C
100. °C
density
0.93
1.00
g
mL
X
g
mL
vapor pressure
at 79.8 °C
Be sure your answer has 2 significant digits.
Note for advanced students: you may assume the solution and vapor above it are ideal.
S
1551. torr
359. torr

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