prepared by mixing 45.68 g of carbon disulfide (CS2, 76.13 g/mol) with 16.42 g of acetonitrile (CH3CN, 41.06 g/mol). What is the mole fraction of CS2 in the vapor phase at 20 °C? Substance Vapor Pressure @ 20 °C (torr) Carbon disulfide 357 Acetonitrile 89.5 Group of answer choices 0.857 1.00 0.167 0.273 0.600
prepared by mixing 45.68 g of carbon disulfide (CS2, 76.13 g/mol) with 16.42 g of acetonitrile (CH3CN, 41.06 g/mol). What is the mole fraction of CS2 in the vapor phase at 20 °C? Substance Vapor Pressure @ 20 °C (torr) Carbon disulfide 357 Acetonitrile 89.5 Group of answer choices 0.857 1.00 0.167 0.273 0.600
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 12.19QE
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Question
A solution is prepared by mixing 45.68 g of carbon disulfide (CS2, 76.13 g/mol) with 16.42 g of acetonitrile (CH3CN, 41.06 g/mol). What is the mole fraction of CS2 in the vapor phase at 20 °C?
Substance |
Vapor Pressure @ 20 °C (torr) |
Carbon disulfide |
357 |
Acetonitrile |
89.5 |
Group of answer choices
0.857
1.00
0.167
0.273
0.600
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