In the first order reaction A → products,[A] = 0.400 M initially and 0.250 M after 15.0 min,what will [A] be after 175 min?

Name: In the first order reaction A → products,[A] = 0.400 M initially and 0.250 M after 15.0 min,what will [A] be after 175 min?
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Quizplus · Accepted Answer

The first-order rate constant k can be calculated using the formula k = (1/t) * ln([A]₀/[A]), where t = 15 min, [A]₀ = 0.400 M, and [A] = 0.250 M. Once k is found, use it to find [A] after 175 min using the formula [A] = [A]₀ * e^(-kt).

In the First Order Reaction a → Products,[A] = 0