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8) A)The rate constant for a certain reaction is k = 5.80×10−3 s−1 . If the...

8) A)The rate constant for a certain reaction is k = 5.80×10−3 s−1 . If the initial reactant concentration was 0.550 M, what will the concentration be after 13.0 minutes?

B) A zero-order reaction has a constant rate of 3.40×10−4M/s. If after 35.0 seconds the concentration has dropped to 6.50×10−2M, what was the initial concentration?

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