Question: For a first order reaction, the initial reactant concentration, [A] o , is 0.80 M. After 11.9 s, the concentration is 0.59 M. What is

For a first order reaction, the initial reactant concentration, [A]o, is 0.80 M. After 11.9 s, the concentration is 0.59 M. What is [A] after 74 s?

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