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Some people have an allergic reaction to the food preservative sulfite (SO3 2). Sulfite

Quantitative Chemical Analysis | 8th Edition | ISBN: 9781429218153 | Authors: Daniel C. Harris ISBN: 9781429218153 475

Solution for problem 15-30 Chapter 15

Quantitative Chemical Analysis | 8th Edition

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Quantitative Chemical Analysis | 8th Edition | ISBN: 9781429218153 | Authors: Daniel C. Harris

Quantitative Chemical Analysis | 8th Edition

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Problem 15-30

Some people have an allergic reaction to the food preservative sulfite (SO3 2). Sulfite in wine was measured by the following procedure: To 50.0 mL of wine were added 5.00 mL of solution containing (0.804 3 g KIO3 5 g KI)/100 mL. Acidification with 1.0 mL of 6.0 M H2SO4 quantitatively converted IO3 into I3 . The I3 reacted with SO3 2 to generate SO4 2, leaving excess I3 in solution. The excess I3 required 12.86 mL of 0.048 18 M Na2S2O3 to reach a starch end point. (a) Write the reaction that occurs when H2SO4 is added to KIO3 KI and explain why 5 g KI were added to the stock solution. Is it necessary to measure out 5 g very accurately? Is it necessary to measure 1.0 mL of H2SO4 very accurately? (b) Write a balanced reaction between I3 and sulfite.

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Chapter 15, Problem 15-30 is Solved
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Textbook: Quantitative Chemical Analysis
Edition: 8
Author: Daniel C. Harris
ISBN: 9781429218153

This textbook survival guide was created for the textbook: Quantitative Chemical Analysis, edition: 8. Quantitative Chemical Analysis was written by and is associated to the ISBN: 9781429218153. Since the solution to 15-30 from 15 chapter was answered, more than 254 students have viewed the full step-by-step answer. The answer to “Some people have an allergic reaction to the food preservative sulfite (SO3 2). Sulfite in wine was measured by the following procedure: To 50.0 mL of wine were added 5.00 mL of solution containing (0.804 3 g KIO3 5 g KI)/100 mL. Acidification with 1.0 mL of 6.0 M H2SO4 quantitatively converted IO3 into I3 . The I3 reacted with SO3 2 to generate SO4 2, leaving excess I3 in solution. The excess I3 required 12.86 mL of 0.048 18 M Na2S2O3 to reach a starch end point. (a) Write the reaction that occurs when H2SO4 is added to KIO3 KI and explain why 5 g KI were added to the stock solution. Is it necessary to measure out 5 g very accurately? Is it necessary to measure 1.0 mL of H2SO4 very accurately? (b) Write a balanced reaction between I3 and sulfite.” is broken down into a number of easy to follow steps, and 143 words. The full step-by-step solution to problem: 15-30 from chapter: 15 was answered by , our top Chemistry solution expert on 03/16/18, 04:33PM. This full solution covers the following key subjects: . This expansive textbook survival guide covers 55 chapters, and 1224 solutions.

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Some people have an allergic reaction to the food preservative sulfite (SO3 2). Sulfite