A reaction is performed to study the oxidation of arsenate ion by cerium(IV) ion in aqueous solution: AsO 3³ +2 Ce4+ + H₂OAsO4³ +2 Ce³+ +2 H* The following reaction rate data was obtained in four separate experiments. Experiment 1 2 3 4 [AsO 33-10, M 3.80×10-2 7.60×10-2 3.80×10-2 7.60×10-2 [Ce+Jo, M 0.590 0.590 1.18 1.18 Initial Rate, Ms-1 6.64x10-3 1.33x10-2 2.66x10-2 5.31-10-2 The reaction is zero order with respect to water a) What is the order with respect to AsO 3³- and Ce4+ b) What is the value of k (include units)

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A reaction is performed to study the oxidation of arsenate ion by cerium(IV) ion in aqueous solution:
AsO 3³ +2 Ce4+ + H₂OAsO4³- + 2 Ce³+ +2 H+
The following reaction rate data was obtained in four separate experiments.
Experiment
1
2
3
4
[AsO 3³¹10, M
3.80×10-2
7.60×10-2
3.80×10-2
7.60×10-2
[Ce4+]o, M
0.590
0.590
1.18
1.18
Initial Rate, Ms-1
6.64x10-3
1.33x10-2
2.66x10-2
5.31-10-2
The reaction is zero order with respect to water
a) What is the order with respect to AsO3³- and Ce4+
b) What is the value of k (include units)
*Show all your work.
Transcribed Image Text:A reaction is performed to study the oxidation of arsenate ion by cerium(IV) ion in aqueous solution: AsO 3³ +2 Ce4+ + H₂OAsO4³- + 2 Ce³+ +2 H+ The following reaction rate data was obtained in four separate experiments. Experiment 1 2 3 4 [AsO 3³¹10, M 3.80×10-2 7.60×10-2 3.80×10-2 7.60×10-2 [Ce4+]o, M 0.590 0.590 1.18 1.18 Initial Rate, Ms-1 6.64x10-3 1.33x10-2 2.66x10-2 5.31-10-2 The reaction is zero order with respect to water a) What is the order with respect to AsO3³- and Ce4+ b) What is the value of k (include units) *Show all your work.
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