The amount of I−3(aq) in a solution can be determined by titration with a solution containing a known concentration of S2O2−3(aq) (thiosulfate ion). The determination is based on the net ionic equation 2S2O2−3(aq)+I−3(aq)⟶S4O2−6(aq)+3I−(aq) Given that it requires 30.2 mL of 0.490 M Na2S2O3(aq) to titrate a 20.0 mL sample of I−3(aq), calculate the molarity of I−3(aq) in the solution.
The amount of I−3(aq) in a solution can be determined by titration with a solution containing a known concentration of S2O2−3(aq) (thiosulfate ion). The determination is based on the net ionic equation 2S2O2−3(aq)+I−3(aq)⟶S4O2−6(aq)+3I−(aq) Given that it requires 30.2 mL of 0.490 M Na2S2O3(aq) to titrate a 20.0 mL sample of I−3(aq), calculate the molarity of I−3(aq) in the solution.
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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The amount of I−3(aq) in a solution can be determined by titration with a solution containing a known concentration of S2O2−3(aq) (thiosulfate ion). The determination is based on the net ionic equation
2S2O2−3(aq)+I−3(aq)⟶S4O2−6(aq)+3I−(aq)
Given that it requires 30.2 mL of 0.490 M Na2S2O3(aq) to titrate a 20.0 mL sample of I−3(aq), calculate the molarity of I−3(aq) in the solution.
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