5.4.00 mol of HI(g)was admitted to an evacuated 2.00 dmreaction vessel andallowed to reach equilibrium at a constant temperature,according to the equation:2HI(g)=H2(g)+I2(g)At equilibrium,0.250 mol of I had formed.a Determine the equilibrium concentrations of all species at this temperature.b Calculate the equilibrium constant for the reaction.[3]241Hy412)Initial200b.
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