We simply need to do a rate-to-rate comparison between Br–(aq) and Br2(aq) using the stoichiometric coefficients in the balanced equation. This is possible since we're looking for the rate of formation of Br2 during the same time interval.
Consider the reaction
5Br−(aq) + BrO3−(aq) + 6H+(aq) → 3Br2(aq) + 3H2O(l)
The average rate of consumption of Br− is 2.06 × 10−4 M/s over the first two minutes. What is the average rate of formation of Br2 during the same time interval?
Express your answer with the appropriate units.
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