4. Ascorbic acid is going to be determined by putting a known excess of iodine formed bythe action of I0, on KI and back-titrating the remaining lodine with thiosulfate, S,0,:10, + 8 H* + 71 - 4 1, + 4 H,0Ascorbic Acid + I, - dehydroascorbic acid + 2 H' +212 s,0,* + 1, - S,o, + 21Mole vectors aid in visualizing the calculations that are to be performed.Draw mole vectors for the process described in question 4.

o a known volume of sample, an excess but known amount of iodide is added, which the oxidizing agent…

4. Ascorbic acid is going to be determined by putting a known excess of iodine formed by the action of 10, on KI and back-titrating the remaining lodine with thiosulfate, S,0,: 10, + 8 H* +71- 41, + 4 H,0 Ascorbic Acid + 1, - dehydroascorbic acid + 2 H' +21 2 s,0, + 1, - S,0, + 21 Mole vectors aid in visualizing the calculations that are to be performed. Drow molo voctore for tbo deccribed i

4. Ascorbic acid is going to be determined by putting a known excess of iodine formed by the action of 10, on KI and back-titrating the remaining lodine with thiosulfate, S,0,: 10, + 8 H* +71- 41, + 4 H,0 Ascorbic Acid + 1, - dehydroascorbic acid + 2 H' +21 2 s,0, + 1, - S,0, + 21 Mole vectors aid in visualizing the calculations that are to be performed. Drow molo voctore for tbo deccribed i

Principles of Instrumental Analysis

7th Edition

ISBN:9781305577213

Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Chapter14: Applications Of Ultraviolet-visible Molecular Absorption Spectrometry

Section: Chapter Questions

Problem 14.6QAP: The accompanying data (1.00-cm cells) were obtained for the spectrophotometric titration 10.00 mL of...

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