g testosterone.

Chemistry
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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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The freezing point of ethanol CH3CH,0H is -117.30°C at 1 atmosphere. A
nonvolatile, nonelectrolyte that dissolves in ethanol is testosterone.
How many grams of testosterone, C19H2802 (288.4 g/mol), must be dissolved in
214.0 grams of ethanol to reduce the freezing point by 0.400°C ? Refer to the table for
the necessary boiling or freezing point constant.
Solvent
Formula
Kh CC/m) Kf(°C/m)
Water
H2O
0.512
1.86
Ethanol
CH;CH,OH
1.22
1.99
Chloroform
CHC13
3.67
Benzene
CH6
2.53
5.12
Diethyl ether CH;CH2OCH2CH3
2.02
g testosterone.
Transcribed Image Text:The freezing point of ethanol CH3CH,0H is -117.30°C at 1 atmosphere. A nonvolatile, nonelectrolyte that dissolves in ethanol is testosterone. How many grams of testosterone, C19H2802 (288.4 g/mol), must be dissolved in 214.0 grams of ethanol to reduce the freezing point by 0.400°C ? Refer to the table for the necessary boiling or freezing point constant. Solvent Formula Kh CC/m) Kf(°C/m) Water H2O 0.512 1.86 Ethanol CH;CH,OH 1.22 1.99 Chloroform CHC13 3.67 Benzene CH6 2.53 5.12 Diethyl ether CH;CH2OCH2CH3 2.02 g testosterone.
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