The Equilibrium Constant for the Reaction H₂(g)+ I₂(g) 2HI(g)is

question 28

Multiple Choice

The equilibrium constant for the reaction H₂(g) + I₂(g) 2HI(g) is 62.5 at 800 K.What is the equilibrium concentration of I₂ if at equilibrium [HI] = 0.21 M and [H₂] = 0.13 M?

• A)5.4 × 10^-3 M
• B)0.29 M
• C)5.2 × 10^-2 M
• D)0.21 M
• E)2.6 × 10^-2 M

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