The normal freezing point of cyclohexane is 6.50 °C. A solution is prepared by dissolving 258.0 mg of an unknown nonelectrolyte in 50.50 g cyclohexane. The freezing point of the solution is 4.32 °C. Calculate the molar mass (g/mol) of the unknown solute. Kf for cyclohexane is 20.0 °C/m. a) 0.412 b) 26.8 c) 214 d) 46.9 e) 153 f) 85.4
The normal freezing point of cyclohexane is 6.50 °C. A solution is prepared by dissolving 258.0 mg of an unknown nonelectrolyte in 50.50 g cyclohexane. The freezing point of the solution is 4.32 °C. Calculate the molar mass (g/mol) of the unknown solute. Kf for cyclohexane is 20.0 °C/m. a) 0.412 b) 26.8 c) 214 d) 46.9 e) 153 f) 85.4
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter13: The Chemistry Of Solutes And Solutions
Section: Chapter Questions
Problem 70QRT
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The normal freezing point of cyclohexane is 6.50 °C. A solution is prepared by dissolving 258.0 mg of an unknown nonelectrolyte in 50.50 g cyclohexane. The freezing point of the solution is 4.32 °C. Calculate the molar mass (g/mol) of the unknown solute. Kf for cyclohexane is 20.0 °C/m.
a) 0.412 b) 26.8 c) 214 d) 46.9 e) 153 f) 85.4
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