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Caffeine has an octanol-water partition coefficient, or Kow, of 0.616. A cup (237 mL) of coffee contains 95 mg of caffeine. If you want to extract caffeine from a cup of coffee using liquid-liquid extraction (LLE) with a separatory funnel and ethyl acetate as the solvent, how many extractions and how much solvent will be used to extract 92 mg of caffeine, if 237 mL each of coffee and ethyl acetate are used in each extraction?

Caffeine has an octanol-water partition coefficient, or Kow, of 0.616. A cup (237 mL) of coffee contains 95 mg of caffeine. If you want to extract caffeine from a cup of coffee using liquid-liquid extraction (LLE) with a separatory funnel and ethyl acetate as the solvent, how many extractions and how much solvent will be used to extract 92 mg of caffeine, if 237 mL each of coffee and ethyl acetate are used in each extraction?

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Caffeine has an octanol-water partition coefficient, or Kow, of 0.616. A cup (237 mL) of coffee contains 95 mg of caffeine. If you want to extract caffeine from a cup of coffee using liquid-liquid extraction (LLE) with a separatory funnel and ethyl acetate as the solvent, how many extractions and how much solvent will be used to extract 92 mg of caffeine, if 237 mL each of coffee and ethyl acetate are used in each extraction?
Transcribed Image Text:Caffeine has an octanol-water partition coefficient, or Kow, of 0.616. A cup (237 mL) of coffee contains 95 mg of caffeine. If you want to extract caffeine from a cup of coffee using liquid-liquid extraction (LLE) with a separatory funnel and ethyl acetate as the solvent, how many extractions and how much solvent will be used to extract 92 mg of caffeine, if 237 mL each of coffee and ethyl acetate are used in each extraction?
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