For the Reaction: H₂(g) + I₂(g) ⇌ 2 HI(g), Kc

question 69

Multiple Choice

For the reaction: H₂(g) + I₂(g) ⇌ 2 HI(g) , Kc = 92.0 When equilibrium concentrations of HI and I₂ are [HI] = 0.115 M and [I₂] = 0.250 M, the equilibrium concentration of [H₂] is:

• A) 5.00 × 10^-3 M
• B) 5.75 × 10^-4 M
• C) 1.74 × 10³ M
• D) 0.135 M
• E) 9.56 M

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