The following initial rate data are for the oxidation of arsenate ion by cerium(IV) ion in aqueous solution: AsO33- + 2 Ce4+ + H2OAsO43- + 2 Ce3+ + 2 H+
The following initial rate data are for the oxidation of arsenate ion by cerium(IV) ion in aqueous solution: AsO33- + 2 Ce4+ + H2OAsO43- + 2 Ce3+ + 2 H+
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter11: Chemical Kinetics: Rates Of Reactions
Section: Chapter Questions
Problem 25QRT
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Question
The following initial rate data are for the oxidation of arsenate ion by cerium(IV) ion in aqueous solution:
AsO33- + 2 Ce4+ + H2OAsO43- + 2 Ce3+ + 2 H+
Experiment | [AsO33-]o, M | [Ce4+]o, M | Initial Rate, M s-1 |
1 | 1.26×10-2 | 0.541 | 1.90×10-3 |
2 | 2.52×10-2 | 0.541 | 3.80×10-3 |
3 | 1.26×10-2 | 1.08 | 7.57×10-3 |
4 | 2.52×10-2 | 1.08 | 1.51×10-2 |
Complete the rate law for this reaction in the box below.
Use the form k[A]m[B]n , where '1' is understood for m or n and concentrations taken to the zero power do not appear. Don't enter 1 for m or n.
Rate = |
From these data, the rate constant is M-2s-1.
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