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MCAT Chemical and Physical Foundations of Biological Systems Flashcards: 5c Extraction Distillation

Study 5c Extraction Distillation in MCAT Chemical and Physical Foundations of Biological Systems with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.

QUESTION

What is the key requirement for a solvent to be effective in liquid–liquid extraction?

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ANSWER

It must preferentially dissolve the target solute and be immiscible with the other phase. This ensures selective partitioning of the solute into the extracting phase while maintaining two distinct layers for easy separation.

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MCAT Chemical and Physical Foundations of Biological Systems: Foundational Concepts

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What this deck covers

This deck focuses on 5c Extraction Distillation, giving you a quick way to review the definitions, rules, and examples that matter most for MCAT Chemical and Physical Foundations of Biological Systems.

How to use these flashcards

Work through these flashcards in short sessions. Try to answer each prompt before flipping the card, then revisit any cards you miss until the explanation feels automatic.

Practice questions

1 of 50Practice questions for this set
A neutral metabolite M is extracted from 100 mL of water into an immiscible organic solvent with K=[M]org[M]aq=4K = \frac{[M]_{org}}{[M]_{aq}} = 4. The lab can perform either (i) one extraction with 100 mL organic solvent or (ii) two sequential extractions with 50 mL organic solvent each, combining the organic layers. Based on the partitioning principle, which statement is most consistent with expected recovery of M?
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