Mass of KIO3 used0.4125 gVolume of KIO3 solution prepared 100.0 mLVolume of unknown ascorbic acid solution 15.00 mLVolume of KIO3 solution used to reach endpoint13.25 mL1. Calculate the molarity of the KIO3 solution prepared.2. Calculate the molarity of ascorbic acid in the unknown solution.3. Assuming the density of the unknown solution is 1.00 g/mL; calculate the percentage by mass of ascorbic acid (C6H806) in each sample.Answers: (1) 0.01928 M (2) 0.05108 M (3) 0.300 %

Mass of KIO3 used0.4125 gVolume of KIO3 solution prepared 100.0 mLVolume of unknown ascorbic acid solution 15.00 mLVolume of KIO3 solution used to reach endpoint13.25 mL1. Calculate the molarity of the KIO3 solution prepared.2. Calculate the molarity of ascorbic acid in the unknown solution.3. Assuming the density of the unknown solution is 1.00 g/mL; calculate the percentage by mass of ascorbic acid (C6H806) in each sample.Answers: (1) 0.01928 M (2) 0.05108 M (3) 0.300 %

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

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Question

Mass of KIO3 used0.4125 gVolume of KIO3 solution prepared 100.0 mLVolume of unknown ascorbic acid solution 15.00
mLVolume of KIO3 solution used to reach endpoint13.25 mL1. Calculate the molarity of the KIO3 solution prepared.2.
Calculate the molarity of ascorbic acid in the unknown solution.3. Assuming the density of the unknown solution is
1.00 g/mL; calculate the percentage by mass of ascorbic acid (C6H806) in each sample.Answers: (1) 0.01928 M
(2) 0.05108 M (3) 0.300 %

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