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Alkaloids present in 20.0 grams of dried leaves containing 0.20% w/w of alkaloids was completely extracted by boiling the leaves with 250.0 mL of water.  The alkaloids were extracted by single extraction using 60.0 mL of dichloromethane.  The mass of the alkaloid, after drying was determined to be 35.0 mg.  Compute the distribution coefficient of the alkaloid in water and DCM.  If three times extraction was done using 20.0 mL of DCM for each extraction.  How much alkaloid can be collected

Alkaloids present in 20.0 grams of dried leaves containing 0.20% w/w of alkaloids was completely extracted by boiling the leaves with 250.0 mL of water.  The alkaloids were extracted by single extraction using 60.0 mL of dichloromethane.  The mass of the alkaloid, after drying was determined to be 35.0 mg.  Compute the distribution coefficient of the alkaloid in water and DCM.  If three times extraction was done using 20.0 mL of DCM for each extraction.  How much alkaloid can be collected

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
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Alkaloids present in 20.0 grams of dried leaves containing 0.20% w/w of alkaloids was completely extracted by boiling the leaves with 250.0 mL of water.  The alkaloids were extracted by single extraction using 60.0 mL of dichloromethane.  The mass of the alkaloid, after drying was determined to be 35.0 mg.  Compute the distribution coefficient of the alkaloid in water and DCM.  If three times extraction was done using 20.0 mL of DCM for each extraction.  How much alkaloid can be collected?

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