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The decomposition reaction of A to B has a rate constant of 0.00923 M-1s-1:

A → 2B
If the initial concentration of A is 0.160 M, how long will it take for the concentration of A to decrease by 68.2%?

Decrease by 68.2% means amount remaining is 100-68.2 = ? = A_t

1/(A)_t - 1/(A)_o = kt

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