Data in the table below were collected at 25°C for the following reaction: 2 (aq) + S20, 2- (aq) - 12 (aq) + 2 SOs*(aq) Initial concentration (mol-dm-) Initial rate (mol-dm ³s*) Exp (S:0, 21 1. 0.080 0.040 12.5 x 104 2 0.040 0.040 6.25 x 10 3 0.080 0.020 6.25 x 10 4 0.032 0.040 5.00 x 106 0.060 0.030 7.00 x 10 a) Determine the rate law for the reaction. b) Calculate the rate constant, giving the correct units for k.

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Data in the table below were collected at 25°C for the following reaction:
2 (aq) + S20, 2- (aq) - 12 (aq) + 2 SOs*(aq)
Initial concentration (mol-dm-)
Initial rate (mol-dm ³s*)
Exp
(S:0, 21
1.
0.080
0.040
12.5 x 104
2
0.040
0.040
6.25 x 10
3
0.080
0.020
6.25 x 10
4
0.032
0.040
5.00 x 106
0.060
0.030
7.00 x 10
a) Determine the rate law for the reaction.
b) Calculate the rate constant, giving the correct units for k.
Transcribed Image Text:Data in the table below were collected at 25°C for the following reaction: 2 (aq) + S20, 2- (aq) - 12 (aq) + 2 SOs*(aq) Initial concentration (mol-dm-) Initial rate (mol-dm ³s*) Exp (S:0, 21 1. 0.080 0.040 12.5 x 104 2 0.040 0.040 6.25 x 10 3 0.080 0.020 6.25 x 10 4 0.032 0.040 5.00 x 106 0.060 0.030 7.00 x 10 a) Determine the rate law for the reaction. b) Calculate the rate constant, giving the correct units for k.
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