Experimental results suggest that this reaction has the rate law: Rate = k[S2O82–][I–]. S2O82–(g) + 3I–(aq) --> I3–(aq) + 2SO42–(aq) In one experiment, when the initial concentrations were [S2O82–] = [I–] = 0.040 M, the initial rate for the reaction was 4.7 x 10–5 M/s. What is the initial rate (in M/s) for the reaction when the initial concentration are [S2O82–] = [I–] = 0.080 M? (A) 9.4 x 10–5 (B) 1.4 x 10–4 (C) 1.9 x 10–4 (D) 3.8 x 10–4

Given, Chemical Reaction :: S2O82- (g) + 3I- (aq) --> I3- (aq) + 2 SO4 2- (aq) [S2O8] =…

Answered: Experimental results suggest that this…

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

Section11.7: Reaction Mechanisms

Problem 11.12E

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Experimental results suggest that this reaction has the rate law: Rate = k[S₂O₈²^–][I^–].

S₂O₈²^–(g) + 3I^–(aq) --> I₃^–(aq) + 2SO₄²^–(aq)

In one experiment, when the initial concentrations were [S₂O₈²^–] = [I^–] = 0.040 M, the initial rate for the reaction was 4.7 x 10^–5 M/s. What is the initial rate (in M/s) for the reaction when the initial concentration are [S₂O₈²^–] = [I^–] = 0.080 M?

(A) 9.4 x 10^–⁵

(B) 1.4 x 10^–⁴

(D) 3.8 x 10^–⁴

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