Consider the Reaction 2NH₃(g)  N₂(g) + 3H₂(g)

Multiple Choice

Consider the reaction 2NH₃(g)  N₂(g) + 3H₂(g)
If the rate [H₂]/t is 0.030 mol L^-1 s^-1, then [NH₃]/t is

A) -0.045 mol L^-1 s^-1
B) -0.030 mol L^-1 s^-1
C) -0.020 mol L^-1 s^-1
D) -0.010 mol L^-1 s^-1
E) none of the above