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Two chemicals are present in the same sample, where compound A is the analyte of interest...

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Chemistry

Two chemicals are present in the same sample, where compound Ais the analyte of interest and B is a possible interfering agent.It is known that A has a distribution ratio of 26.7 at pH = 7.0when extracted from water with toluene. Compound B has adistribution coefficient ratio of 0.24 under the sameconditions.

A) What percent of each compound will be extracted from a 100.0mL sample of water when using 20.0 mL of toluene in a single-stepextraction?

B) What percent of A and B will be extracted after two, threeand four extractions if each extraction step uses a fresh 20.0 mLportion of toluene?

C) Describe how the recovery and purity of compound A willchange as the

number of extractions increases in this sample.

Answer & Explanation Solved by verified expert
4.5 Ratings (758 Votes)
A Given the volume of water Vw 1000 mLVolume of Toluene Vt 200 mLFor compound A partition coefficient K 267For compound A partition    See Answer
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