Consider the reaction. Upper n subscript 2 (g) plus 3 upper H subscript 2 (g) double-headed arrow 2 upper N upper H subscript 3 (g).

At equilibrium, the concentrations of the different species are as follows.

[NH3] = 0.105 M
[N2] = 1.1 M
[H2] = 1.50 M

What is the equilibrium constant for the reaction at this temperature?
0.0030
0.030
34
340