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3. Calculate the vapor pressure lowering, DP, when 10.0 mL of glycerol (CHO) is added to 500. mL of water at 50. °C. At this temperature, the vapor pressure of pure water is 92.5 torr and its density is 0.988 g/mL. The density of glycerol is 1.26 g/mL.

3. Calculate the vapor pressure lowering, DP, when 10.0 mL of glycerol (CHO) is added to 500. mL of water at 50. °C. At this temperature, the vapor pressure of pure water is 92.5 torr and its density is 0.988 g/mL. The density of glycerol is 1.26 g/mL.

Principles of Modern Chemistry
Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter11: Solutions
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NOTE: please base the value of boiling and freezing point, and Kb on the given table.
3. Calculate the vapor pressure lowering, DP, when 10.0 mL of glycerol (CHO) is added to 500. mL of water at 50. °C. At this temperature, the vapor pressure of pure water is 92.5 torr and its density is 0.988 g/mL. The density of glycerol is 1.26 g/mL.
Transcribed Image Text:3. Calculate the vapor pressure lowering, DP, when 10.0 mL of glycerol (CHO) is added to 500. mL of water at 50. °C. At this temperature, the vapor pressure of pure water is 92.5 torr and its density is 0.988 g/mL. The density of glycerol is 1.26 g/mL.
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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