2SO2 (g) + O2 (g) ↔ 2SO3 (g) KP° has a value of 3.42 at 727 ° C. If 2.65 mmol of SO2 ,  3.1 mmol of O2 and 1.44 mmol of SO3 are introduced into an empty 185 mL container at 727 ° C. Calculate the quantities of the species in equilibrium and the final pressure

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