To adjust the thiosulfate (S2O3) solution to be used as a titrant in the copper determination, excess KI was added to exactly 25.0 mL of 5.68 x 103 M KIO3 solution to liberate iodine (12) and 16.4 mL of thiosulfate solution is being consumed in the titration of I2. In this standardization process, the concentration of the thiosulfate solution is calculated. 103 +51 (excess)+ 6H*→ 31z+ 3H2O Iz+ 2S2032→ S402²-+21 Then, for copper determination 25.0 mL of 250 mL copper-aliquots is taken and treated with excess KI. Cu²++ 21 (excess)→ Cul + % l2 The liberated l2 was titrated with the 8.2 mL of adjusted thiosulfate solution (S2O32-). I2+ 2S2032> S4O,²+21- Calculate, how many milligrams of copper is found in the sample? (Cu: 63.5 g/ mol)
To adjust the thiosulfate (S2O3) solution to be used as a titrant in the copper determination, excess KI was added to exactly 25.0 mL of 5.68 x 103 M KIO3 solution to liberate iodine (12) and 16.4 mL of thiosulfate solution is being consumed in the titration of I2. In this standardization process, the concentration of the thiosulfate solution is calculated. 103 +51 (excess)+ 6H*→ 31z+ 3H2O Iz+ 2S2032→ S402²-+21 Then, for copper determination 25.0 mL of 250 mL copper-aliquots is taken and treated with excess KI. Cu²++ 21 (excess)→ Cul + % l2 The liberated l2 was titrated with the 8.2 mL of adjusted thiosulfate solution (S2O32-). I2+ 2S2032> S4O,²+21- Calculate, how many milligrams of copper is found in the sample? (Cu: 63.5 g/ mol)
Chemistry
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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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![) To adjust the thiosulfate (S2O3) solution to be used as a titrant in the
copper determination, excess KI was added to exactly 25.0 mL of 5.68 x
103 M KIO3 solution to liberate iodine (12) and 16.4 mL of thiosulfate
solution is being consumed in the titration of I2. In this standardization
process, the concentration of the thiosulfate solution is calculated.
103 +51 (excess)+ 6H*→ 31z+ 3H2O
Iz+ 2S2032→ S402²-+21
Then, for copper determination 25.0 mL of 250 mL copper-aliquots is
taken and treated with excess Kl.
Cu²++ 21 (excess)→ Cul + % l2
The liberated l2 was titrated with the 8.2 mL of adjusted thiosulfate
solution (S2O32).
I2+ 2S2032> S4O,²+21-
Calculate, how many milligrams of copper is found in the sample? (Cu:
63.5 g/ mol)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F61cac8ee-1413-481e-bdc0-990f316cf48f%2F12e7ffec-e55c-4941-a508-ee9c949426d8%2Fp13nn4c_processed.jpeg&w=3840&q=75)
Transcribed Image Text:) To adjust the thiosulfate (S2O3) solution to be used as a titrant in the
copper determination, excess KI was added to exactly 25.0 mL of 5.68 x
103 M KIO3 solution to liberate iodine (12) and 16.4 mL of thiosulfate
solution is being consumed in the titration of I2. In this standardization
process, the concentration of the thiosulfate solution is calculated.
103 +51 (excess)+ 6H*→ 31z+ 3H2O
Iz+ 2S2032→ S402²-+21
Then, for copper determination 25.0 mL of 250 mL copper-aliquots is
taken and treated with excess Kl.
Cu²++ 21 (excess)→ Cul + % l2
The liberated l2 was titrated with the 8.2 mL of adjusted thiosulfate
solution (S2O32).
I2+ 2S2032> S4O,²+21-
Calculate, how many milligrams of copper is found in the sample? (Cu:
63.5 g/ mol)
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