2. For each of the following solvent pairs label which would be the top layer an

Question

2. For each of the following solvent pairs label which would be the top layer and bottom layer in a separatory funnel when doing an extraction: a) water/diethyl ether; b) water/hexane; c) water/dichloromethane. Why? 3. Complete the separation scheme below. In each box, list all of the chemicals that would be present. For example, after the filtration what is the name of the solid compound you isolated and what chemicals are present in the liquid. mixture Filtration Liquid Solid Extraction Aqueous layer Organic layer Acidification evaporate Solid Liquid Solid

Explanation / Answer

Answer 2

In separating funnel,

case a: when water/diethyl ether is used as solvent, since ether is lighter, ether will be the upper layer and water will be the bottom layer

case b: when water/hexane is used as solvent, since hexane is lighter, hexane will be the upper layer and water will be the bottom layer

case c: when water/dichloromethane is used as solvent, since water is lighter, water will be the upper layer and dichloromethane will be the bottom layer

Question 3: Incomplete.

You should provide the composition of the mixture

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