The amount of I3–(aq) in a solution can be determined by titration with a solution containing a known concentration of S2O32−(aq) (thiosulfate ion). The determination is based on the net ionic equation: 2S2O32–(aq) + I3–(aq) ⟶ S4O62−(aq) + 3I−(aq) Given that it requires 32.1 mL of 0.490 M Na2S2O3(aq) to titrate a 20.0 mL sample of I3–(aq), calculate the molarity of I3–(aq) in the solution.
The amount of I3–(aq) in a solution can be determined by titration with a solution containing a known concentration of S2O32−(aq) (thiosulfate ion). The determination is based on the net ionic equation: 2S2O32–(aq) + I3–(aq) ⟶ S4O62−(aq) + 3I−(aq) Given that it requires 32.1 mL of 0.490 M Na2S2O3(aq) to titrate a 20.0 mL sample of I3–(aq), calculate the molarity of I3–(aq) in the solution.
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter4: Chemical Reactions
Section: Chapter Questions
Problem 4.146QP
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The amount of I3–(aq) in a solution can be determined by titration with a solution containing a known concentration of S2O32−(aq) (thiosulfate ion). The determination is based on the net ionic equation:
2S2O32–(aq) + I3–(aq) ⟶ S4O62−(aq) + 3I−(aq)
Given that it requires 32.1 mL of 0.490 M Na2S2O3(aq) to titrate a 20.0 mL sample of I3–(aq), calculate the molarity of I3–(aq) in the solution.
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