3.The partition coefficient of Compound A is 7.5 in dichloromethane (a.k.a. methylene chloride) with respect to water. If...

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Chemistry

3.The partition coefficient ofCompound A is 7.5 in dichloromethane (a.k.a. methylene chloride)with respect to water.
If 5 grams of Compound A were dissolved in 100 mL of water, howmuch of Compound A would be extracted with four25-mL portions of dichloromethane?
Extraction 1:
Extraction 2:
Extraction3:Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â
Extraction 4:
b.After fourextractions, what percentage of the Compound A has been extracted(use percentrecovery)?Â Â Â Â Â Â Â Â Â Â Â Â
c.You are tired and want to finishyour experiment as quickly as possible. How much dichloromethanewould be required in one extraction to remove the same percentageof Compound A that you recovered after four 25-mLportions of dichloromethane?

Answer & Explanation Solved by verified expert

3.6 Ratings (502 Votes)

Solution Formula to calculate the amount of the compound extracted in each extraction is as follows Kd xml of dichloromethane5xml of water Lets put the values in the formula First extraction with 25 ml 75 x255x100 Solving for x we get x 326 g after See Answer

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