a. If 10 grams of aspirin were dissolved in 3000 ml of water, what weight of aspirin would be removed by a single extraction with 3000 ml of ethyl ether?  b. If 10 grams of salicylic acid were dissolved in 4600 ml of water, what weight of salicylic acid would be extracted by two sequential extractions with 2300 ml of chloroform for each extraction?

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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The Merck Index gives the following data for the solubility of 1 gram of salicylic acid and 1 gram of aspirin:

Aspirin (acetylsalicylic acid)

Salicylic acid

300 mL of H2O

460 mL of H20

17 mL of chloroform

42 mL of chloroform

12 mL of ethyl ether

3 mL of ethyl ether

 

a. If 10 grams of aspirin were dissolved in 3000 ml of water, what weight of aspirin would be removed by a single extraction with 3000 ml of ethyl ether? 

b. If 10 grams of salicylic acid were dissolved in 4600 ml of water, what weight of salicylic acid would be extracted by two sequential extractions with 2300 ml of chloroform for each extraction? 

Answer:

a. 9.6g

b. 9.8g

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