A solution is made by dissolving 0.732 mol0.732 mol of nonelectrolyte solute in 871 g871 g of benzene. Calculate the freezing point, ?f,Tf, and boiling point, ?b,Tb, of the solution. Constants can be found in the table of colligative constants. Solvent Formula K f value* (°C/ m ) Normal freezing point ( °C) K b value (°C/ m ) Normal boiling point ( °C) water H 2 O 1.86 0.00 0.512 100.00 benzene C 6 H 6 5.12 5.49 2.53 80.1 cyclohexane C 6 H 12 20.8 6.59 2.92 80.7 ethanol C 2 H 6 O 1.99 –117.3 1.22 78.4 carbon tetrachloride CCl 4 29.8 –22.9 5.03 76.8
A solution is made by dissolving 0.732 mol0.732 mol of nonelectrolyte solute in 871 g871 g of benzene. Calculate the freezing point, ?f,Tf, and boiling point, ?b,Tb, of the solution. Constants can be found in the table of colligative constants. Solvent Formula K f value* (°C/ m ) Normal freezing point ( °C) K b value (°C/ m ) Normal boiling point ( °C) water H 2 O 1.86 0.00 0.512 100.00 benzene C 6 H 6 5.12 5.49 2.53 80.1 cyclohexane C 6 H 12 20.8 6.59 2.92 80.7 ethanol C 2 H 6 O 1.99 –117.3 1.22 78.4 carbon tetrachloride CCl 4 29.8 –22.9 5.03 76.8
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
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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A solution is made by dissolving 0.732 mol0.732 mol of nonelectrolyte solute in 871 g871 g of benzene. Calculate the freezing point, ?f,Tf, and boiling point, ?b,Tb, of the solution. Constants can be found in the table of colligative constants.
|
Solvent |
Formula |
K f value* (°C/ m ) |
Normal freezing point ( °C) |
K b value (°C/ m ) |
Normal boiling point ( °C) |
|
water |
H 2 O |
1.86 |
0.00 |
0.512 |
100.00 |
|
benzene |
C 6 H 6 |
5.12 |
5.49 |
2.53 |
80.1 |
|
cyclohexane |
C 6 H 12 |
20.8 |
6.59 |
2.92 |
80.7 |
|
ethanol |
C 2 H 6 O |
1.99 |
–117.3 |
1.22 |
78.4 |
|
carbon |
CCl 4 |
29.8 |
–22.9 |
5.03 |
76.8 |
|
camphor |
C 10 H 16 O |
37.8 |
176 |
|
|
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