The reaction A(aq) → B(aq) is a reaction of order one with respect to A(aq). The concentration of A(aq) after 100.0 s of reaction is 0.477 M. The concentration of A(aq) after another 300.0 s (so 400.0 s in total) is 0.277 M. What was the initial concentration of A(aq)? The temperature is always 25.0◦C

Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter11: Chemical Kinetics
Section: Chapter Questions
Problem 11.45PAE: The initial concentration of the reactant in a tirst-order reaction A —» products is 0.64 rnol/L and...
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The reaction A(aq) → B(aq) is a reaction of order one with respect to A(aq). The
concentration of A(aq) after 100.0 s of reaction is 0.477 M. The concentration of A(aq) after
another 300.0 s (so 400.0 s in total) is 0.277 M. What was the initial concentration of
A(aq)? The temperature is always 25.0◦C 

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