Eren, Rochelle, and Sarah were assigned to do a recrystallization experiment using three different solvent to purify and separate a mixture comprising compounds X and Y. The following are the solubilities of the two compounds in g/50 mL of hot and cold solvents: Solvent 1 2 3 Hot 2.1 3.3 3.8 X Solubility in g/50 mL solvent Cold 0.5 0.6 3.2 Hot 2.2 3.5 4.0 Y Cold 0.75 0.80 0.85 A. Given the above data, if a mixture containing 10.0 g each of X and Y is to be recrystallized from 10 milliliters of the solvents, what is the best solvent to use? Support your answer by doing a schematic diagran for EACH solvent. B. What is the %recovery of X and Y in the chosen solvent? Show your complete solution. C. What is the %purity of X and Y in the chosen solvent? Show your complete solution.

EBK A SMALL SCALE APPROACH TO ORGANIC L
4th Edition
ISBN:9781305446021
Author:Lampman
Publisher:Lampman
Chapter81: Extractions, Separations, And Drying Agents
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Eren, Rochelle, and Sarah were assigned to do a recrystallization experiment using three different solvents
to purify and separate a mixture comprising compounds X and Y. The following are the solubilities of the
two compounds in g/50 mL of hot and cold solvents:
Solvent
1
2
3
Hot
2.1
3.3
3.8
X
Solubility in g/50 mL solvent
Cold
0.5
0.6
3.2
Hot
2.2
3.5
4.0
Y
Cold
0.75
0.80
0.85
A. Given the above data, if a mixture containing 10.0 g each of X and Y is to be recrystallized from 100
milliliters of the solvents, what is the best solvent to use? Support your answer by doing a schematic diagram
for EACH solvent.
B. What is the %recovery of X and Y in the chosen solvent? Show your complete solution.
C. What is the %purity of X and Y in the chosen solvent? Show your complete solution.
Transcribed Image Text:Eren, Rochelle, and Sarah were assigned to do a recrystallization experiment using three different solvents to purify and separate a mixture comprising compounds X and Y. The following are the solubilities of the two compounds in g/50 mL of hot and cold solvents: Solvent 1 2 3 Hot 2.1 3.3 3.8 X Solubility in g/50 mL solvent Cold 0.5 0.6 3.2 Hot 2.2 3.5 4.0 Y Cold 0.75 0.80 0.85 A. Given the above data, if a mixture containing 10.0 g each of X and Y is to be recrystallized from 100 milliliters of the solvents, what is the best solvent to use? Support your answer by doing a schematic diagram for EACH solvent. B. What is the %recovery of X and Y in the chosen solvent? Show your complete solution. C. What is the %purity of X and Y in the chosen solvent? Show your complete solution.
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