Extraction Post lab

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1. What major characteristics an extraction solvent should exhibit? List at least three characteristics.
2. The distribution coefficient for compound X is Kd = (ether/water) = 5
a) Is compound X more soluble in ether or water? Explain
b) If 5 grams of compound X is dissolved in 30 mL of water is extracted with 15 mL of ether, how many grams of compound X will be extracted into the ether layer. Show all calculations to receive full credit.
c) If 5 grams of compound X is dissolved in 100 mL of water and is extracted 2 times with 50 mL of ether, how many grams of compound X will be extracted into the ether layer? Show all calculations to receive full credit.
3) Would potassium carbonate be a good drying agent to dry carboxylic acids? Explain.
4) You are given a two – phase system containing an aqueous layer and an organic layer, but you do not know which is which, nor do you know the identity of the organic solvent. How could you determine which layer is the aqueous layer?

 

Sample Solution

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regards to the osmosis of pieces into lumps. Mill operator recognizes pieces and lumps of data, the differentiation being that a piece is comprised of various pieces of data. It is fascinating regards to the osmosis of pieces into lumps. Mill operator recognizes pieces and lumps of data, the differentiation being that a piece is comprised of various pieces of data. It is fascinating to take note of that while there is a limited ability to recall lumps of data, how much pieces in every one of those lumps can change broadly (Miller, 1956). Anyway it’s anything but a straightforward instance of having the memorable option huge pieces right away, somewhat that as each piece turns out to be more natural, it very well may be acclimatized into a lump, which is then recollected itself. Recoding is the interaction by which individual pieces are ‘recoded’ and allocated to lumps. Consequently the ends that can be drawn from Miller’s unique work is that, while there is an acknowledged breaking point to the quantity of pi

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