At a certain temperature, the equilibrium constant, ?c, for this reaction is 53.3.   H2(g)+I2(g)↽−−⇀2HI(g)       ?c=53.3   At this temperature, 0.700 mol H2 and 0.700 mol I2 were placed in a 1.00 L container to react. What concentration of HI is present at equilibrium?

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At a certain temperature, the equilibrium constant, ?c, for this reaction is 53.3.

 

H2(g)+I2(g)↽−−⇀2HI(g)       ?c=53.3

 

At this temperature, 0.700 mol H2 and 0.700 mol I2 were placed in a 1.00 L container to react. What concentration of HI is present at equilibrium?

Expert Solution
Step 1

At the equilibrium, 

      equilibrium constant Kc =HI2H2I2 

given, 

                 [H2] = 0.700 mol/L

                 [I2] = 0.700 mol/L

 and equilibrium constant Kc = 53.3 

      then [HI] = Kc×H2I2 =53.3×0.7×0.7 mol/L

                                     =   5.11 mol/L

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