Consider the following reaction in aqueous solution: 5Br-(aq) + BrO3-(aq) + 6H+(aq) →3Br2(aq) + 3H2O(l) If...

Consider the following reaction in aqueous solution: 5Br-(aq) + BrO3-(aq) + 6H+(aq) →3Br2(aq) + 3H2O(l) If the rate of appearance of Br2(aq) at a particular moment during the reaction is 5.5x10-5M/s, what is the rate of disappearance of Br-(aq) at that moment?

Expert Solution

5Br-(aq) + BrO3-(aq) + 6H+(aq) →3Br2(aq) + 3H2O(l)

rate = decreasing in concentration of reactants / time taken = increasing in concentration of product / time taken

-1/5 [Br^-] / t = 1/3 [Br2] / t

[Br2] / t = 5.5 x 10^-5 M/s

[Br^-] / t = 5/3 [Br2] / t

[Br^-] / t = 5/3 (5.5 x 10^-5)

[Br^-] / t = 9.2 x 10^-5 M/s

negetive sign represents decreasing concentration. so not involve in calculations

queen_honey_blossom answered 2 years ago

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