The decomposition of N2O5 to NO2 and O2 is first order, with a rate constant of 4.80 x 10-4/s at 45°C. If the initial concentration of N205 is 7.85x10-2 mol/ what is the concentration of N205 after 553 s? How long would it take for the concentration of N205 to decrease to 1.00 x 10-2 mol/L from an initial concentration of 7.85x10-2 mol/L? mol/L

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