Upon dissolving InCl(s) in HCl, In+ (aq) undergoes a disproportionation reaction according to the following balanced equation: 3In+ (aq) → 2In(s) + In3+(aq) This disproportionation follows first-order kinetics with a half-life of 667 s. (a) What is the concentration of In+ (aq) after 1.22 h if the initial solution of In+ (aq) was prepared by dissolving 2.38 g InCl(s) in dilute HCl to make 5.00 x 102 mL of solution? (b) What mass of In(s) is formed after 1.22 h?

Upon dissolving InCl(s) in HCl, In+ (aq) undergoes a disproportionation reaction according to the following balanced equation: 3In+ (aq) → 2In(s) + In3+(aq) This disproportionation follows first-order kinetics with a half-life of 667 s. (a) What is the concentration of In+ (aq) after 1.22 h if the initial solution of In+ (aq) was prepared by dissolving 2.38 g InCl(s) in dilute HCl to make 5.00 x 102 mL of solution? (b) What mass of In(s) is formed after 1.22 h?

Chemistry by OpenStax (2015-05-04)

1st Edition

ISBN:9781938168390

Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser

Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser

Chapter12: Kinetics

Section: Chapter Questions

Problem 82E: For each of the following reaction diagrams, estimate the activation energy (Ea) of the reaction:

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