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If you have a mixture containing the acetaminophen, aspirin, and ibuprofen, do you think you can...

If you have a mixture containing the acetaminophen, aspirin, and ibuprofen, do you think you can separate them using liquid-liquid extraction? If yes, draw the flowchart. If no, explain why not?

Engineering   Chemical-Engineering   
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Answer #1

1) Reactiong the mixture with an aqueous solution of NaOH can't separate one substance from the other, because both aspirin and ibuprofen contains carboxylic acid functional groups, so both can react with NaOH to form salts of carboxylic acid. Hence both are soluble in aquesous solution this makes difficult separate the one substance from another.

2) Among the three HCl solution can be used to separate the acetaminophen from ibuprofen, because acetaminophen is a base hence it reacts with HCl and it comes into aqueous layer which leaves ibuprofen in organic layer. Ibuprofen is also having carboxylic acid group so it can't react with HCl, so it remains in organic layer.

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