Hydrogen peroxide decomposes according to the reaction equation

2H2O2 (aq) 2H2O(l)+O2 (g)

This reaction is first order in [H2O2] at 70Â°C with a rate constant of k = 0.0444 minâ1. If the initial concentration is [H2O2]0 = 0.25 M, then what is the value of [H2O2] 45.0 minutes after the solution is prepared?
A) 0.0043M B) 0.035M C) 0.055M D) 0.15M

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Jarrod RobelLv2

27 Apr 2019

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