The following initial rate data are for the oxidation of arsenate ion by cerium(IV) ion in aqueous solution: AsO33- + 2 Ce4+ + H20- →ASO43- + 2 ce3+ + 2 H+ Experiment [Aso33"lo, M [Ce4+]o, M Initial Rate, M s*1 1 2.13x10-2 0.371 1.67x10-3 2 4.26x10-2 0.371 3.33x103 3 2.13x10-2 0.742 6.66x10-3 4 4.26x10-2 0.742 1.33x10-2 Complete the rate law for this reaction in the box below. Use the form k[A]m[B]" , 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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Chapter30: Kinetic Methods Of Analysis
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Problem 30.14QAP
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The following initial rate data are for the oxidation of arsenate ion by cerium(IV) ion in aqueous solution:
AsO33- + 2 Ce4+ + H20-
→ASO43- + 2 Ce3+ + 2 H+
Experiment
[Aso33-Jo, M
[Ce4+]o, M
Initial Rate, M s1
1
2.13x10-2
0.371
1.67x10-3
2
4.26x10-2
0.371
|3.33х10-3
3
2.13x10-2
0.742
6.66x10-3
4
4.26x10-2
0.742
1.33x10-2
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.
Transcribed Image Text:The following initial rate data are for the oxidation of arsenate ion by cerium(IV) ion in aqueous solution: AsO33- + 2 Ce4+ + H20- →ASO43- + 2 Ce3+ + 2 H+ Experiment [Aso33-Jo, M [Ce4+]o, M Initial Rate, M s1 1 2.13x10-2 0.371 1.67x10-3 2 4.26x10-2 0.371 |3.33х10-3 3 2.13x10-2 0.742 6.66x10-3 4 4.26x10-2 0.742 1.33x10-2 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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