試題詳解

22The rate of formation of NH₃, namely d[NH₃]/dt, in the reaction N_{2 (g)} + 3H_{2 (g)} →2 NH₃ (g) was reported as 1.2 mol L^-¹ s^-¹ (L is liter) under certain conditions. What is the rate of consumption of H₂ gas, namely, d[H₂]/_dt=?
(A) 1.2 mol L-¹ s-¹
(B) 1.4 mol L-¹ s-¹
(C) 1.8 mol L^-¹ s^-¹
(D) 2.4 mol L^-¹ s^-¹
(E) Not enough information.