CHEMISTRY / CHEMICAL KINETICS
Calculate time to reach a target concentration under a first-order rate law. Review the equation, substituted values, assumptions, and result in one guided chemistry workspace.
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Calculate time to reach a target concentration under a first-order rate law. The page evaluates the displayed equation from your supplied values and presents both symbolic and substituted KaTeX working so the arithmetic can be checked.
t=ln([A]0/[A]t)/k
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What you receive
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The reaction follows one first-order pathway at constant conditions.
Use internally consistent units and retain extra precision when carrying the result into another calculation.
Reviewed reference factors