Question

In aqueous solution, hypobromite ion, BrO-, reacts to produce bromate ion, BrO3-, and bromide ion, Br-, according to the following chemical equation.
3 BrO-(aq)-> BrO3-(aq) + 2 Br-(aq)
A plot of 1/[BrO-] vs. time is linear and the slope is equal to 0.056 M-1s-1. If the initial concentration of BrO- is 0.80 M, how long will it take one-half of the BrO- ion to react?
A) 4.5 10-2 s
B) 7.1 s
C) 12 s
D) 22 s

Answer

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