The decomposition of N,O5 to NO, and O, is first order, with a rate constant of 4.80 x 1o4/s at 45°C. If the initial concentration of N,O5 is 4.18×102 mol/L, what is the concentration of N205 after 548 s? How long would it take for the concentration ofN,O5 to decrease to 1.00 x 10-2 mol/L from an initial concentration of 4.18x102 mol/L?

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