1. At the end of a reaction, I ended up with a 200 mL aqueous solution containing 20 g of benzaldehyde. The solubility of benzaldehyde in dichloromethane (CH2CI2) is 5.0 g per 10O mL and in water it is 1.5 g per 100 mL. What mass of benzaldehyde can be recovered by extraction with: a) 3 x 50 mL potions of dichloromethane? b) 1x 150 mL portion of dichloromethane? c) Which type of extraction is more efficient, multiple or single extractions? d) How much dịchloromethane would be required to remove 98.5% of the benzaldehyde in a single extraction?
1. At the end of a reaction, I ended up with a 200 mL aqueous solution containing 20 g of benzaldehyde. The solubility of benzaldehyde in dichloromethane (CH2CI2) is 5.0 g per 10O mL and in water it is 1.5 g per 100 mL. What mass of benzaldehyde can be recovered by extraction with: a) 3 x 50 mL potions of dichloromethane? b) 1x 150 mL portion of dichloromethane? c) Which type of extraction is more efficient, multiple or single extractions? d) How much dịchloromethane would be required to remove 98.5% of the benzaldehyde in a single 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
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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Transcribed Image Text:1. At the end of a reaction, I ended up with a 200 mL aqueous solution containing 20 g of
benzaldehyde. The solubility of benzaldehyde in dichloromethane (CH2CI2) is 5.0 g per 10O
mL and in water it is 1.5 g per 100 mL. What mass of benzaldehyde can be recovered by
extraction with:
a) 3 x 50 mL potions of dichloromethane?
b) 1x 150 mL portion of dichloromethane?
c) Which type of extraction is more efficient, multiple or single extractions?
d) How much dịchloromethane would be required to remove 98.5% of the benzaldehyde in a
single extraction?
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