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?SubstanceVapor Pressure @ 20 °C (torr)Carbon disulfide357Acetonitrile89.5 Group of answer choices0.8571.000.1670.2730.600

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Answered: prepared by mixing 45.68 g of carbon…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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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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