c) You decide to use ethanol in conjunction with another solvent to make a solvent pair. What two criteria does this second solvent have to have in order to form a good solvent pair with ethanol for solid Z?

Macroscale and Microscale Organic Experiments
7th Edition
ISBN:9781305577190
Author:Kenneth L. Williamson, Katherine M. Masters
Publisher:Kenneth L. Williamson, Katherine M. Masters
Chapter5: Distillation
Section: Chapter Questions
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You have been provided an impure sample of
a known solid Z that has a pure melting
point of 90-92°C. Its solubility in two
common solvents are shown below:
Boiling Solubility of Solubility of
Z at Boiling
Temperature Point
Solvent Point Z at Room
|(°C)
Ethanol 78
29.4g/100mL 166g/100mL|
Water 100
1.7g/100mL 150g/100mL
Transcribed Image Text:You have been provided an impure sample of a known solid Z that has a pure melting point of 90-92°C. Its solubility in two common solvents are shown below: Boiling Solubility of Solubility of Z at Boiling Temperature Point Solvent Point Z at Room |(°C) Ethanol 78 29.4g/100mL 166g/100mL| Water 100 1.7g/100mL 150g/100mL
c) You decide to use ethanol in conjunction
with another solvent to make a solvent pair.
What two criteria does this second solvent
have to have in order to form a good solvent
pair with ethanol for solid Z?
Transcribed Image Text:c) You decide to use ethanol in conjunction with another solvent to make a solvent pair. What two criteria does this second solvent have to have in order to form a good solvent pair with ethanol for solid Z?
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