Calculate the vapor pressure of a solution made by dissolving S85.7 g of urea (molar mass = 60.06 g/mol) in 214.5 mL of water at 35°C. (Hint: The vapor pressure of pure water at 35°C is given in the table below. Assume the density of the solution is 1.00 g/mL.) mmHg What is the magnitude of vapor-pressure lowering? mmHg |Water Vapor Temperature Pressure °C) 5 10 15 20 25 30 35 40 45 50 55 60 |(mmHg) 4.58 6.54 |9.21 |12.79 |17.54 23.76 |31.82 42.18 55.32 71.88 92.51 |118.04 149.38

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Calculate the vapor pressure of a solution made by dissolving 85.7 g of urea (molar mass = 60.06 g/mol)
in 214.5 mL of water at 35°C. (Hint: The vapor pressure of pure water at 35°C is given in the table
below. Assume the density of the solution is 1.00 g/mL.)
mmHg
What is the magnitude of vapor-pressure lowering?
mmHg
|Water Vapor
Temperature Pressure
(°C)
|(mmHg)
4.58
6.54
9.21
12.79
17.54
23.76
31.82
42.18
55.32
71.88
92.51
118.04
149.38
15
10
15
20
25
30
35
40
45
50
55
60
Transcribed Image Text:Calculate the vapor pressure of a solution made by dissolving 85.7 g of urea (molar mass = 60.06 g/mol) in 214.5 mL of water at 35°C. (Hint: The vapor pressure of pure water at 35°C is given in the table below. Assume the density of the solution is 1.00 g/mL.) mmHg What is the magnitude of vapor-pressure lowering? mmHg |Water Vapor Temperature Pressure (°C) |(mmHg) 4.58 6.54 9.21 12.79 17.54 23.76 31.82 42.18 55.32 71.88 92.51 118.04 149.38 15 10 15 20 25 30 35 40 45 50 55 60
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