The reaction                 3 bro- (aq) --> bro3- (aq) + 2 br - (aq) in basic solution is second order in bro-(aq) with a rate constant equal to 0.056 m-1s-1 at 80 degrees celcius. if [bro- ]0 = 0.212 m, then what will [bro- ]  be 1.00 min later?

0.124 M

Explanation:

The reaction obeys second-order kinetics:

According to the integrated second-order rate law, we may rewrite the rate law in terms of:

Here:

is a rate constant,

is the molarity of the reactant at time t,

is the initial molarity of the reactant.

Converting the time into seconds (since the rate constant has seconds in its units), we obtain:

Rearranging the integrated equation for the amount at time t:

We may now substitute the data:

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120,630,890

step-by-step explanation:

110+10=120,620+10=630,880+10=890