Based on the melting point of your impure solid, you look at the given samples and believe you have compound A. Compound A is recrystallized using a mixed solvent system of ethanol and water. You add 1 ml of hot ethanol to your sample and it doesn’t completely dissolve. You continue to add hot ethanol but there isn’t any change. Some solid remains. What should you do next?

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter13: The Chemistry Of Solutes And Solutions
Section: Chapter Questions
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Based on the melting point of your impure solid, you look at the given samples and believe you have
compound A. Compound A is recrystallized using a mixed solvent system of ethanol and water. You add
1 ml of hot ethanol to your sample and it doesn’t completely dissolve. You continue to add hot ethanol
but there isn’t any change. Some solid remains. What should you do next?

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