Exercise# 1 Calculation of ascorbic acid in Vitamin C tablet: (i) Starch is used as an indicator: starch + I; → starch-I; complex (deep blue) (clear) (ii) Titrate ascorbic acid with I;: но он но но, + 31 + 211* + lj + H,0 HOl. HO, но ascorbic acid (FW 176.124) dehydroascorbic acid (FW 192,124) 1 mole ascorbic acid → 1 mole I; Standardization of Titrant Followed by Analysis of Unknown OStandardization: Suppose 29.41 mL of I;' solution is required to react with 0.1970 g of pure ascorbic acid, what is the Molarity of the I; solution? DAnalysis of Unknown: A vitamin C tablet containing ascorbic acid plus an inert binder was ground to a powder, and 0.4242g was titrated by 31.63 mL of I;. Find the weight percent of ascorbic acid in the tablet.

Exercise# 1 Calculation of ascorbic acid in Vitamin C tablet: (i) Starch is used as an indicator: starch + I; → starch-I; complex (deep blue) (clear) (ii) Titrate ascorbic acid with I;: но он но но, + 31 + 211* + lj + H,0 HOl. HO, но ascorbic acid (FW 176.124) dehydroascorbic acid (FW 192,124) 1 mole ascorbic acid → 1 mole I; Standardization of Titrant Followed by Analysis of Unknown OStandardization: Suppose 29.41 mL of I;' solution is required to react with 0.1970 g of pure ascorbic acid, what is the Molarity of the I; solution? DAnalysis of Unknown: A vitamin C tablet containing ascorbic acid plus an inert binder was ground to a powder, and 0.4242g was titrated by 31.63 mL of I;. Find the weight percent of ascorbic acid in the tablet.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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