27. Consider the reaction of S,O- with I- in aqueous solution: S,O,- (aq) + 3 I- (aq) ® 2 SO,- (aq) + I,- (aq) At a given temperature, the rate of disappearance of S,O,- varies with reactant concentrations in the following manner: Experiment [ S,O,'-] (M) [I-] (M) Rate (M/s) 1 0.018 0.036 2.6'10-“ 0.027 0.036 3.9' 10-“ 3 0.036 0.054 7.8' 10-6 4. 0.050 0.072 1.4 10-$

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27. Consider the reaction of S,O,- with I- in aqueous
solution:
S,O,- (aq) + 3 I- (aq) ® 2 SO,- (aq)+ I- (aq)
At a given temperature, the rate of disappearance of S,O,- varies with
reactant concentrations in the following manner:
Experiment [ S,O,'-1 (M) [I-] (M) Rate (M/s)
1
0.018
0.036 2.6 ' 10-“
0.027
0.036 3.9' 10-6
3
0.036
0.054 7.8'10-
0.050
0.072 1.4'10-$
(a) Determine the rate law and the
constant for the reaction.
Transcribed Image Text:27. Consider the reaction of S,O,- with I- in aqueous solution: S,O,- (aq) + 3 I- (aq) ® 2 SO,- (aq)+ I- (aq) At a given temperature, the rate of disappearance of S,O,- varies with reactant concentrations in the following manner: Experiment [ S,O,'-1 (M) [I-] (M) Rate (M/s) 1 0.018 0.036 2.6 ' 10-“ 0.027 0.036 3.9' 10-6 3 0.036 0.054 7.8'10- 0.050 0.072 1.4'10-$ (a) Determine the rate law and the constant for the reaction.
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