Suppose you standardize a Na2S203 solution by dissolving 25.0 mg of KIO3 in acid and allow it to react with excess KI. The triiodide produced is then titrated with Na2S203 solution, requiring 30.00 mL to reach the starch/triiodide end point. Determine the molarity of the thiosulfate solution considering the following reaction: 103 +1 + H* → 13 + H20 2- + SO 2 3 2- →1 + $,°% 3 4 6
Suppose you standardize a Na2S203 solution by dissolving 25.0 mg of KIO3 in acid and allow it to react with excess KI. The triiodide produced is then titrated with Na2S203 solution, requiring 30.00 mL to reach the starch/triiodide end point. Determine the molarity of the thiosulfate solution considering the following reaction: 103 +1 + H* → 13 + H20 2- + SO 2 3 2- →1 + $,°% 3 4 6
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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![Suppose you standardize a Na2S203
solution by dissolving 25.0 mg of KIO3 in
acid and allow it to react with excess KI.
The triiodide produced is then titrated
with Na2S203 solution, requiring 30.00
mL to reach the starch/triiodide end
point. Determine the molarity of the
thiosulfate solution considering the
following reaction:
103 + 1 + H* → 13 + H20
2-
→| + S O
2-
+ SO
3.
2 3
4 6](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fbe59f415-ff28-496e-9b98-27df6965f5b1%2F94f02cfc-3b6c-4e07-84d4-27715b38a66f%2Fi52ingq_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Suppose you standardize a Na2S203
solution by dissolving 25.0 mg of KIO3 in
acid and allow it to react with excess KI.
The triiodide produced is then titrated
with Na2S203 solution, requiring 30.00
mL to reach the starch/triiodide end
point. Determine the molarity of the
thiosulfate solution considering the
following reaction:
103 + 1 + H* → 13 + H20
2-
→| + S O
2-
+ SO
3.
2 3
4 6
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