Calculate the freezing point of a 14.00?14.00m aqueous solution of methanol. Freezing point constants can be found in the list of colligative constants. Solvent Formula K f value* (°C/ m ) Normal freezing point ( °C) K b value (°C/ m ) Normal boiling point ( °C) water H 2 O 1.86 0.00 0.512 100.00 benzene C 6 H 6 5.12 5.49 2.53 80.1 cyclohexane C 6 H 12 20.8 6.59 2.92 80.7 ethanol C 2 H 6 O 1.99 –117.3 1.22 78.4 carbon tetrachloride CCl 4 29.8 –22.9 5.03 76.8 camphor C 10 H 16 O
Calculate the freezing point of a 14.00?14.00m aqueous solution of methanol. Freezing point constants can be found in the list of colligative constants. Solvent Formula K f value* (°C/ m ) Normal freezing point ( °C) K b value (°C/ m ) Normal boiling point ( °C) water H 2 O 1.86 0.00 0.512 100.00 benzene C 6 H 6 5.12 5.49 2.53 80.1 cyclohexane C 6 H 12 20.8 6.59 2.92 80.7 ethanol C 2 H 6 O 1.99 –117.3 1.22 78.4 carbon tetrachloride CCl 4 29.8 –22.9 5.03 76.8 camphor C 10 H 16 O
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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Calculate the freezing point of a 14.00?14.00m aqueous solution of methanol. Freezing point constants can be found in the list of colligative constants.
| Solvent | Formula | K f value* (°C/ m )
|
Normal freezing
point ( °C)
|
K b value (°C/ m )
|
Normal boiling
point ( °C)
|
| water | H 2 O | 1.86 | 0.00 | 0.512 | 100.00 |
| benzene | C 6 H 6 | 5.12 | 5.49 | 2.53 | 80.1 |
| cyclohexane | C 6 H 12 | 20.8 | 6.59 | 2.92 | 80.7 |
| ethanol | C 2 H 6 O | 1.99 | –117.3 | 1.22 | 78.4 |
| carbon tetrachloride |
CCl 4 | 29.8 | –22.9 | 5.03 | 76.8 |
| camphor | C 10 H 16 O |
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