At a particular temperature, K = 2.6 x 10^-6  for the following balanced reaction: 2PCl3(g) + O2(g) → 2PCl3O(g) In an experiment in which 2.5 mol of PCl3 and 2.0 mol of O2 are mixed in a 3.0-L vessel, what are the equilibrium concentrations of all gases? [PCl3]  = M [O2]  = M [PCl3O] = M

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