Answer the following: Maria was given a capsule of multivitamins and she was asked to determine the % by mass (w/w) of ascorbic acid present in the sample. The student analyzed 1.032 g sample using volumetric titration. Use the table as a reference of the data to be used for your solution.   Given Choices: A. 66.0 % B. 54.6%  C. 65.6% D. 7.30%

Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Answer the following:

Maria was given a capsule of multivitamins and she was asked to determine the % by mass (w/w) of ascorbic acid present in the sample. The student analyzed 1.032 g sample using volumetric titration. Use the table as a reference of the data to be used for your solution.

 

Given Choices:

A. 66.0 %

B. 54.6% 

C. 65.6%

D. 7.30%

 

 

Molarity of Ascorbic Acid Standard Solution
Volume of Ascorbic Acid
Volume of KIO3
Molarity of KIO3
Table 2. Determination of Ascorbic Acid Concnetration
Initial burette reading, KIO3
Final burette reading, KIO3
Volume consumed, KIO3
MM of Ascorbic Acid
2.25 mL
32.45 mL
30.20 mL
176.12 g/mole
0.02612
25.00 mL
5.10 mL
M
Transcribed Image Text:Molarity of Ascorbic Acid Standard Solution Volume of Ascorbic Acid Volume of KIO3 Molarity of KIO3 Table 2. Determination of Ascorbic Acid Concnetration Initial burette reading, KIO3 Final burette reading, KIO3 Volume consumed, KIO3 MM of Ascorbic Acid 2.25 mL 32.45 mL 30.20 mL 176.12 g/mole 0.02612 25.00 mL 5.10 mL M
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