For the Reaction Below,the Partial Pressures of Gases at Equilibrium

question 15

Multiple Choice

For the reaction below,the partial pressures of gases at equilibrium are as follows: H₂ = 7.1 × 10−⁵ atm,Cl₂ = 2.5 × 10−⁶ atm,and HCl = 3.0 atm.What is the value of the equilibrium constant,K?
H₂(g) + Cl₂(g) ⇌ 2HCl(g)

• A) 2.0 × 10−¹¹
• B) 5.9 × 10−¹¹
• C) 1.6 × 10−⁹
• D) 1.7 × 10¹⁰
• E) 5.1 × 10¹⁰

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