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7. Calculate the boiling point of an aqueous solution that contains 20.0 mass % ethylene glycol (CHO,, a nonvolatile liquid).

7. Calculate the boiling point of an aqueous solution that contains 20.0 mass % ethylene glycol (CHO,, a nonvolatile liquid).

Chemistry
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
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NOTE: please base the value of boiling and freezing point, and Kb on the given table.
7. Calculate the boiling point of an aqueous solution that contains 20.0 mass % ethylene glycol (C₂H₂O₂, a nonvolatile liquid).
Transcribed Image Text:7. Calculate the boiling point of an aqueous solution that contains 20.0 mass % ethylene glycol (C₂H₂O₂, a nonvolatile liquid).
Table 13.6 Molal Boiling Point Elevation and Freezing Point Depression Constants of Several Solvents solvent acetic acid benzene carbon disulfide carbon tetrachloride chloroform diethyl ether ethanol water *at 1 atm. boiling point (OC)* 117.9 80.1 46.2 76.5 61.7 34.5 78.5 100.0 Kb (oC/m) 3.07 2.53 2.34 5.03 3.63 2.02 1.22 0.512 melting point (OC) 16.6 5.5 -111.5 -23 -63.5 -116.2 -117.3 0.0 Kf (oC/m) 3.90 4.90 3.83 30. 4.70 1.79 1.99 1.86
Transcribed Image Text:Table 13.6 Molal Boiling Point Elevation and Freezing Point Depression Constants of Several Solvents solvent acetic acid benzene carbon disulfide carbon tetrachloride chloroform diethyl ether ethanol water *at 1 atm. boiling point (OC)* 117.9 80.1 46.2 76.5 61.7 34.5 78.5 100.0 Kb (oC/m) 3.07 2.53 2.34 5.03 3.63 2.02 1.22 0.512 melting point (OC) 16.6 5.5 -111.5 -23 -63.5 -116.2 -117.3 0.0 Kf (oC/m) 3.90 4.90 3.83 30. 4.70 1.79 1.99 1.86
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