Q: 1: The distribution constant for iodine between an organic solvent and H,0is 85. Find the concentration of I; remaining in the aqueous layer after extractionof 50.0ml. of 1.00 x 10 M I with the following quantities of the organicsolvent: (a) 50.0 ml.; (b) two 25.0 ml. portions; (c) five 10.0 ml. portions.Q: 2: An acidic solute, HA, has an acid dissociation constant of 1.00 x10, and apartition coefficient between water and benzene of 3.00. Calculate the extractionefficiency when 50.00 ml. of a 0.025 M aqueous solution of HA buffered to a pH of3.00, is extracted with 50.00 mL of benzene. Repeat for cases in which the pH of theaqueous solution is buffered to 5.00 and 7.00.

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Q: 1: The distribution constant for iodine between an organic solvent and H;O is 85. Find the concentration of I; remaining in the aqueous layer after extraction of 50.0ml. of 1.00 x 10 M I with the following quantities of the organic solvent: (a) 50.0 ml.; (b) two 25.0 ml. portions; (c) five 10.0 ml. portions.

Q: 1: The distribution constant for iodine between an organic solvent and H;O is 85. Find the concentration of I; remaining in the aqueous layer after extraction of 50.0ml. of 1.00 x 10 M I with the following quantities of the organic solvent: (a) 50.0 ml.; (b) two 25.0 ml. portions; (c) five 10.0 ml. portions.

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter7: Statistical Data Treatment And Evaluation

Section: Chapter Questions

Problem 7.26QAP

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