2. Calculate the freezing point of a solution made from 32.7 g of propane, C3H8, dissolved in 137.0 g of benzene, CoHo. The freezing point of benzene is 5.50°C and its Kf is 5.12°C/m.
2. Calculate the freezing point of a solution made from 32.7 g of propane, C3H8, dissolved in 137.0 g of benzene, CoHo. The freezing point of benzene is 5.50°C and its Kf is 5.12°C/m.
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter12: Solutions
Section: Chapter Questions
Problem 12.106QE: In the 1986 Lake Nyos disaster (see the chapter introduction), an estimated 90 billion kilograms of...
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![Solutions & Colligative Properties
1. The vapor pressure of water at 20°C is 17.5 torr. What is the vapor pressure of water over a
solution containing 300. g C6H12O6 and 455 g of water at 20°C? Po - Ps
wxM
MX W
300 x 10
17.5
PS
PS=
100 x 455
1.0659
= 16.4 Torr
17.5-PS
PS
=
17.5
PS
17.5 = 0.0659 +1
--1 = 0.0659
Lab Section_
16.4 Torr
2. Calculate the freezing point of a solution made from 32.7 g of propane, C3H8, dissolved in
137.0 g of benzene, C6H6. The freezing point of benzene is 5.50°C and its Kf is 5.12°C/m.
3. Calculate the boiling point of a solution made from 227 g of MgCl2 dissolved in 700. g of
water. What is the boiling point of the solution? Kb = 0.512°C/m.
4. Calculate the concentration of nitrogen gas in a 1.00 L container exerting a partial pressure of
572 mm Hg at room temperature. Henry's law constant for nitrogen at 25°C is 6.8 x 10-4
mol/L'atm. (Solve using the information given and factor labelling)
TU 2023
Professor Teresa
Butterfield
W](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fcc65448d-ddaf-46ec-8ff7-ab22850b6815%2F24782cec-909c-4e48-b000-712c8905d877%2Fd5j3rit_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Solutions & Colligative Properties
1. The vapor pressure of water at 20°C is 17.5 torr. What is the vapor pressure of water over a
solution containing 300. g C6H12O6 and 455 g of water at 20°C? Po - Ps
wxM
MX W
300 x 10
17.5
PS
PS=
100 x 455
1.0659
= 16.4 Torr
17.5-PS
PS
=
17.5
PS
17.5 = 0.0659 +1
--1 = 0.0659
Lab Section_
16.4 Torr
2. Calculate the freezing point of a solution made from 32.7 g of propane, C3H8, dissolved in
137.0 g of benzene, C6H6. The freezing point of benzene is 5.50°C and its Kf is 5.12°C/m.
3. Calculate the boiling point of a solution made from 227 g of MgCl2 dissolved in 700. g of
water. What is the boiling point of the solution? Kb = 0.512°C/m.
4. Calculate the concentration of nitrogen gas in a 1.00 L container exerting a partial pressure of
572 mm Hg at room temperature. Henry's law constant for nitrogen at 25°C is 6.8 x 10-4
mol/L'atm. (Solve using the information given and factor labelling)
TU 2023
Professor Teresa
Butterfield
W
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