Adding 1g of benzene, C6H6, to 70g cyclohexane, C6H12, lowers the freezing point of the cyclohexane from 6.2 to 2.3oC a) What is the value of Kf for cyclohexane? b) Which is the better solvent for molar mass determinations by freezing point depression, benzene or cyclohexane? Explain
Adding 1g of benzene, C6H6, to 70g cyclohexane, C6H12, lowers the freezing point of the cyclohexane from 6.2 to 2.3oC a) What is the value of Kf for cyclohexane? b) Which is the better solvent for molar mass determinations by freezing point depression, benzene or cyclohexane? Explain
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
Chapter11: Properties Of Solutions
Section: Chapter Questions
Problem 94E: The freezing-point depression of a 0.091-m solution of CsCl is 0.320C. The freezing-point depression...
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9) Adding 1g of benzene, C6H6, to 70g cyclohexane, C6H12, lowers the freezing point of
the cyclohexane from 6.2 to 2.3oC
a) What is the value of Kf for cyclohexane?
b) Which is the better solvent for molar mass determinations by freezing point
depression, benzene or cyclohexane? Explain
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