The phensuprin solid is first dissolved in ethyl acetate. One solid will be left over – what is it? That solid is collected by gravity filtration. Do we still need the liquid we collect in the flask? What is in it? Next, the ethyl acetate is extracted with 5% aqueous sodium bicarbonate. What will be in each layer? After the extractions, the organic solvent is removed by rotary evaporation. What is the solid that will be collected at this step? What solvent is being removed? We will acidify the bicarb. layer using HCl. How do we know when the aqueous layer has been acidified? A solid forms when the aqueous layer is acidified to pH 2. That solid is collected using vacuum filtration. What is this solid? Create a flow chart depicting the separation of each component of phensuprin as the procedure progresses.
The phensuprin solid is first dissolved in ethyl acetate. One solid will be left over – what is it? That solid is collected by gravity filtration. Do we still need the liquid we collect in the flask? What is in it? Next, the ethyl acetate is extracted with 5% aqueous sodium bicarbonate. What will be in each layer? After the extractions, the organic solvent is removed by rotary evaporation. What is the solid that will be collected at this step? What solvent is being removed? We will acidify the bicarb. layer using HCl. How do we know when the aqueous layer has been acidified? A solid forms when the aqueous layer is acidified to pH 2. That solid is collected using vacuum filtration. What is this solid? Create a flow chart depicting the separation of each component of phensuprin as the procedure progresses.
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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The phensuprin solid is first dissolved in ethyl acetate. One solid will be left over – what is it?
That solid is collected by gravity filtration. Do we still need the liquid we collect in the flask? What is in it?
Next, the ethyl acetate is extracted with 5% aqueous sodium bicarbonate. What will be in each layer?
After the extractions, the organic solvent is removed by rotary evaporation. What is the solid that will be collected at this step? What solvent is being removed?
We will acidify the bicarb. layer using HCl. How do we know when the aqueous layer has been acidified?
A solid forms when the aqueous layer is acidified to pH 2. That solid is collected using vacuum filtration. What is this solid?
Create a flow chart depicting the separation of each component of phensuprin as the procedure progresses.
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