Consider the equilibrium system described by the chemical reaction below. A mixture of gas containing only N₂ and H₂ is reacted in a vessel at high temperature. At equilibrium, the 5.0 M H₂, 8.0 M N₂, and 4.0 M NH₃ are present. Determine the initial concentrations of H₂ and N₂ that were present in the vessel.   N₂(g) + 3 H₂(g) ⇌ 2 NH₃(g)   Based on the given values, fill in the ICE table to determine concentrations of all reactants and products.

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