12. The reaction proceeds in the gas phase
A→k1 B→k2 C
For the experiment, 2 moles of gas A were taken. The rate constants of the individual stages of the reaction are respectively equal: k1=18*10-2 s-1 and k2=2*10-3 s-1. Calculate the number of moles of each gas by the time t=180 s. Which of the substances in the gas mixture will be more by this point in time?

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