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Integrated Rate Law: Change in concentration over time?

Integrated Rate Law: Change in concentration over time? - Chemistry Forum

Integrated Rate Law: Change in concentration over time? - Chemistry Forum. Discuss chemical reactions, chemistry.


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Old 07-01-2009, 08:16 AM
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Default Integrated Rate Law: Change in concentration over time?



Here's the question (I've already derived an answer, I just want to check with anyone who's willing to help).

--Aspirin decomposing in the bloodstream is a first order reaction (assume this is true). After 30 minutes, the concentration of aspirin in the bloodstream is at its maximum at 0.2 mg/mL (arbitrary number). The half-life of this reaction is 90 minutes. Find the concentration of aspirin in the bloodstream 2.5 hours after the maximum concentration has been reached--

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