Given the following experimental data, find out.

a. What is the rate law of the reaction?

b. What is the rate constant for the reaction?

NO(g) + NO₂(g) + O₂(g) --> N₂O₅(g)

Run    [NO]₀ , M    [NO₂]₀, M    [O₂]₀ , M    Initial Rate, Ms^-1

    1          0.10 M       0.10 M         0.10 M          2.1 x 10^-2

    2          0.20M        0.10 M         0.10 M          4.2 x 10^-2

    3          0.20 M       0.30 M          0.10 M         1.26 x 10^-1

    4          0.10 M       0.10 M         0.20 M           2.1 x 10^-2