For the reaction $2N_2O_5 \rightarrow 4NO_2 + O_2$,if the concentration of $NO_2$ increases by $1.6 \times 10^{-2} \ M$ in $4 \ seconds$,what is the rate of formation of $NO_2$?

  • A
    $4 \times 10^{-3} \ M \ s^{-1}$
  • B
    $10^{-3} \ M \ s^{-1}$
  • C
    $2 \times 10^{-3} \ M \ s^{-1}$
  • D
    $10^{-2} \ M \ s^{-1}$

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