For the Reaction: H₂(g)+ I₂(g)⇌ 2 HI(g),K_c = 92

question 115

Multiple Choice

For the reaction: H₂(g) + I₂(g) ⇌ 2 HI(g) ,K_c = 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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