2) The freezing point (T) for t-butanol (C.H100) is 25.50°C and Kr is 9.1°C/m. Usually t-butanol absorbs water on exposure to the air. If the freezing point of a 12.9-g sample oft-butanol is measured as 24.59°C a) How many grams of water are present in the sample? b) What is the concentration in mass percent and mole fraction? c) What is the osmotic pressure of this solution?

Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter11: Properties Of Solutions
Section: Chapter Questions
Problem 74E: The freezing point of 1-butanol is 25.50C and Kf is 9.1C kg/mol. Usually t-butanol absorbs water on...
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Please answer part b and c. Thanks!

2) The freezing point (T) for t-butanol (C.H100) is 25.50°C and Kr is 9.1°C/m.
Usually t-butanol absorbs water on exposure to the air. If the freezing point of a
12.9-g sample oft-butanol is measured as 24.59°C
a) How many grams of water are present in the sample?
b) What is the concentration in mass percent and mole fraction?
c) What is the osmotic pressure of this solution?
Transcribed Image Text:2) The freezing point (T) for t-butanol (C.H100) is 25.50°C and Kr is 9.1°C/m. Usually t-butanol absorbs water on exposure to the air. If the freezing point of a 12.9-g sample oft-butanol is measured as 24.59°C a) How many grams of water are present in the sample? b) What is the concentration in mass percent and mole fraction? c) What is the osmotic pressure of this solution?
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