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A 1.09 g sample of substance X is dissolved in 26.8 g of benzene. The freezing point of the solution is 3.76°C. The Tf of pure benzene is 5.53 °C and Kf - 5.12 °C kg/mol for benzene. What is the molar mass of X? 118 g/mol O 37.7 g/mol O 516 g/mol O 243 g/mol O 55.4 g/mol

A 1.09 g sample of substance X is dissolved in 26.8 g of benzene. The freezing point of the solution is 3.76°C. The Tf of pure benzene is 5.53 °C and Kf - 5.12 °C kg/mol for benzene. What is the molar mass of X? 118 g/mol O 37.7 g/mol O 516 g/mol O 243 g/mol O 55.4 g/mol

Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter13: Solutions And Their Behavior
Section13.4: Colligative Properties
Problem 2RC
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A 1.09 g sample of substance X is dissolved in 26.8 g of benzene. The freezing point of the solution is 3.76°C. The Tf of pure benzene is 5.53 °C and Kf = 5.12 °C kg/mol for benzene. What is the molar mass of X? 118 g/mol 37.7 g/mol 516 g/mol 16:08 02/10/2020 243 g/mol G72 55.4 g/mol
Transcribed Image Text:A 1.09 g sample of substance X is dissolved in 26.8 g of benzene. The freezing point of the solution is 3.76°C. The Tf of pure benzene is 5.53 °C and Kf = 5.12 °C kg/mol for benzene. What is the molar mass of X? 118 g/mol 37.7 g/mol 516 g/mol 16:08 02/10/2020 243 g/mol G72 55.4 g/mol
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