Solution of KIO3 / KI provided Mass of KIO3 = 110.79 g L Volume of solution Approximate Concentration of [KIO3] (based on mass - do not use this in subsequent calculations but make sure standardized KIO3 calculated below is close to this value). = 20.0 Standardization of KIO3 = 0.02589 mol L-1 Purity of ascorbic acid = 99.49% Sample # 1 2 3 Weighed mass of ascorbic acid (g) 0.2138g 0.2033g 0.2014g volume of KIO3 (mL) 16.74mL 14.82mL 14.70mL [KIO3] (mol L-1) %
Solution of KIO3 / KI provided Mass of KIO3 = 110.79 g L Volume of solution Approximate Concentration of [KIO3] (based on mass - do not use this in subsequent calculations but make sure standardized KIO3 calculated below is close to this value). = 20.0 Standardization of KIO3 = 0.02589 mol L-1 Purity of ascorbic acid = 99.49% Sample # 1 2 3 Weighed mass of ascorbic acid (g) 0.2138g 0.2033g 0.2014g volume of KIO3 (mL) 16.74mL 14.82mL 14.70mL [KIO3] (mol L-1) %
Macroscale and Microscale Organic Experiments
7th Edition
ISBN:9781305577190
Author:Kenneth L. Williamson, Katherine M. Masters
Publisher:Kenneth L. Williamson, Katherine M. Masters
Chapter7: Extraction
Section: Chapter Questions
Problem 1Q
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colculate the concentration of KIO3 based on the titrations values
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