For the reaction $N_{2(g)} + 3 H_{2(g)} \rightarrow 2 NH_{3(g)}$,what is the relation between $\frac{d[N_2]}{dt}$ and $\frac{d[H_2]}{dt}$?
- A$3 \frac{d[H_2]}{dt} = \frac{d[N_2]}{dt}$
- B$\frac{d[H_2]}{dt} = 3 \frac{d[N_2]}{dt}$
- C$3 \frac{d[H_2]}{dt} = 2 \frac{d[N_2]}{dt}$
- D$\frac{d[H_2]}{dt} = \frac{d[N_2]}{dt}$
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