A mixture of the gases H2, N2 and NH3 was allowed to reach equilibrium at a certain temperature: 3 H2 (g) + N2 (g) > 2 NH3 (g). The concentrations were found to be [ H2] = 1.50 M; [ N2] = 2.35 M and [ NH3] = 2.24 M. What is the numerical value of K, for this system?

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