The equilibrium constant, Kc, for the following reaction is 1.80×10-2 at 698 K. 2HI(g) H2(g) + I2(g) Calculate the equilibrium concentrations of reactant and products when 0.238 moles of HI are introduced into a 1.00 L vessel at 698 K. [HI] =  M [H2] =  M [I2] =  M

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