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[Review Topics] [References] Use the References to access important values if needed for this question. The boiling point of ethanol CH3 CH₂OH is 78.50 °C at 1 atmosphere. A nonvolatile, nonelectrolyte that dissolves in ethanol is estrogen (estradiol). How many grams of estrogen, C18H24 O2 (272.4 g/mol), must be dissolved in 287.0 grams of ethanol to raise the boiling point by 0.500 °C? Refer to the table for the necessary boiling or freezing point constant. Formula Kb (°C/m) Kf(°C/m) 0.512 Solvent Water Ethanol H₂O CH3 CH₂OH 1.22 Chloroform CHC13 3.67 Benzene C6H6 2.53 Diethyl ether CH3 CH2 OCH₂ CH3 2.02 Mass= Submit Answer 9 Retry Entire Group Show Hint 1.86 1.99 5.12 9 more group attempts remaining I narning Cengage Technical Support Previous Next Save and Exit

[Review Topics] [References] Use the References to access important values if needed for this question. The boiling point of ethanol CH3 CH₂OH is 78.50 °C at 1 atmosphere. A nonvolatile, nonelectrolyte that dissolves in ethanol is estrogen (estradiol). How many grams of estrogen, C18H24 O2 (272.4 g/mol), must be dissolved in 287.0 grams of ethanol to raise the boiling point by 0.500 °C? Refer to the table for the necessary boiling or freezing point constant. Formula Kb (°C/m) Kf(°C/m) 0.512 Solvent Water Ethanol H₂O CH3 CH₂OH 1.22 Chloroform CHC13 3.67 Benzene C6H6 2.53 Diethyl ether CH3 CH2 OCH₂ CH3 2.02 Mass= Submit Answer 9 Retry Entire Group Show Hint 1.86 1.99 5.12 9 more group attempts remaining I narning Cengage Technical Support Previous Next Save and Exit

Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter13: Solutions And Their Behavior
Section: Chapter Questions
Problem 107SCQ
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[Review Topics] [References] Use the References to access important values if needed for this question. The boiling point of ethanol CH3 CH₂OH is 78.50 °C at 1 atmosphere. A nonvolatile, nonelectrolyte that dissolves in ethanol is estrogen (estradiol). How many grams of estrogen, C18H24 O2 (272.4 g/mol), must be dissolved in 287.0 grams of ethanol to raise the boiling point by 0.500 °C? Refer to the table for the necessary boiling or freezing point constant. Solvent Formula Kb (°C/m) Kf(°C/m) 0.512 Water H₂O Ethanol CH3 CH₂OH 1.22 Chloroform CHC13 3.67 Benzene C6H6 2.53 Diethyl ether CH3 CH2 OCH₂ CH3 2.02 Mass= Submit Answer 9 Retry Entire Group Show Hint 1.86 1.99 5.12 9 more group attempts remaining Inarning Cengage Technical Support Previous Next Save and Exit
Transcribed Image Text:[Review Topics] [References] Use the References to access important values if needed for this question. The boiling point of ethanol CH3 CH₂OH is 78.50 °C at 1 atmosphere. A nonvolatile, nonelectrolyte that dissolves in ethanol is estrogen (estradiol). How many grams of estrogen, C18H24 O2 (272.4 g/mol), must be dissolved in 287.0 grams of ethanol to raise the boiling point by 0.500 °C? Refer to the table for the necessary boiling or freezing point constant. Solvent Formula Kb (°C/m) Kf(°C/m) 0.512 Water H₂O Ethanol CH3 CH₂OH 1.22 Chloroform CHC13 3.67 Benzene C6H6 2.53 Diethyl ether CH3 CH2 OCH₂ CH3 2.02 Mass= Submit Answer 9 Retry Entire Group Show Hint 1.86 1.99 5.12 9 more group attempts remaining Inarning Cengage Technical Support Previous Next Save and Exit
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