2NH₃(g)+CO₂(g)⇌NH₄CO₂NH₂(s)
At equilibrium, partial pressure of NH₃=0.179atm, partial pressure of CO₂=0.221atm and mass of NH₄CO₂NH₂=1.29g. Calculate the equilibrium constant.
A. 788.9
B. 141.2
C. 2.16
D. 0.107
E. 70.61