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a certain first order decomposition reaction has a half-life of 15.0 minutes. What is the rate constant for this reaction?

what is the time it will take for the reaction to reach the 10% completion point?

1 answer

k = 0.693/t_1/2

ln(No/N) = kt
No = 100
N = 90
k from above.
Solve for t.

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