a student started with a stock solution of I2 in methylene chloride, and extract

Question

a student started with a stock solution of I2 in methylene chloride, and extracted the methylene chloride with a 0.20 M I- solution would you expect the student to get similar or different values for the distribution coefficient than were obtained in this lab

C122.9 Extraction and the POSTLAB QUESTIONS 1. In a lab similar to this one, a student started with a stock solution of I2 in methylene chloride, and extracted the methylene chloride with a 0.20 M I solution. Would you expect the student to get similar or different values for the distribution coefficient than were obtained in this lab? Explain 2. Based upon the value you obtained for the

Explanation / Answer

1. Extraction of methylene chloride from a solution of stock I2 in methylene chloride with a 0.2 M I- solution would yield a different value for the distribution coefficient than were obtained in the lab. The solution will get diluted in this case differently which would affent the solubility and hence the distribution coefficient of the component in the given solution.

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