4.129 Sulfites (compounds containing the SO3 2− ions) are usedas preservatives in dried fruits and vegetables and inwine making. In an experiment to test for the presenceof sulfite in fruit, a student first soaked several driedapricots in water overnight and then filtered the solutionto remove all solid particles. She then treated thesolution with hydrogen peroxide (H2O2) to oxidize thesulfite ions to sulfate ions. Finally, the sulfate ions wereprecipitated by treating the solution with a few drops ofa barium chloride (BaCl2) solution. Write a balancedequation for each of the preceding steps.
4.129 Sulfites (compounds containing the SO3 2− ions) are usedas preservatives in dried fruits and vegetables and inwine making. In an experiment to test for the presenceof sulfite in fruit, a student first soaked several driedapricots in water overnight and then filtered the solutionto remove all solid particles. She then treated thesolution with hydrogen peroxide (H2O2) to oxidize thesulfite ions to sulfate ions. Finally, the sulfate ions wereprecipitated by treating the solution with a few drops ofa barium chloride (BaCl2) solution. Write a balancedequation for each of the preceding steps.
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
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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4.129 Sulfites (compounds containing the SO3
2− ions) are used
as preservatives in dried fruits and vegetables and in
wine making. In an experiment to test for the presence
of sulfite in fruit, a student first soaked several dried
apricots in water overnight and then filtered the solution
to remove all solid particles. She then treated the
solution with hydrogen peroxide (H2O2) to oxidize the
sulfite ions to sulfate ions. Finally, the sulfate ions were
precipitated by treating the solution with a few drops of
a barium chloride (BaCl2) solution. Write a balanced
equation for each of the preceding steps.
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