Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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The freezing point of water is 0.00°C at 1 atmosphere.
A student dissolves 12.66 grams of chromium(II) acetate, Cr(CH3COO)2 (170.1 g/mol), in 281.4 grams of water. Use the table of boiling and freezing point constants to answer the questions below.
Solvent | Formula | Kb (°C/m) | Kf (°C/m) |
---|---|---|---|
Water | H2O | 0.512 | 1.86 |
Ethanol | CH3CH2OH | 1.22 | 1.99 |
Chloroform | CHCl3 | 3.67 | |
Benzene | C6H6 | 2.53 | 5.12 |
Diethyl ether | CH3CH2OCH2CH3 | 2.02 |
The molality of the solution is ?
The freezing point of the solution is ?
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