Nitrogen and hydrogen react to form ammonia according to the following equation
N(g)+3H₂(g)⇋2NH, a chemist found that at a certain temperature, nitrogen, hydrogen and ammonia have concentration of 1.3, 0.26 and 2.0 M respectively. Calculate the value of equilibrium constant K
A. Kc=5.92
B. Kc=5.7 x 10⁻³
C. Kc=0.169
D. Kc=1.8 x 10²