63. The reaction proceeds according to the equation N2 O2 \u003d 2NO. The concentrations of the initial substances before the start of the reaction were: [N2]ref =0.049 mol/l; [O2]ref = 0.01 mol/l. Calculate the concentrations of these substances at the moment when the concentration of nitric oxide (II) became equal to 0.005 mol/l.

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