Which Statement Is True Regarding the Reversible Reaction Below? H₂CO₃

question 104

Multiple Choice

Which statement is true regarding the reversible reaction below? H₂CO₃+ F^-
HCO₃+ HF.
K_a1(H₂CO₃) = 4.2 × 10^-7; K_a(HF) = 7.1 × 10^-4

• A) At equilibrium, [HF] > [H₂CO₃] because HF is a stronger acid than H₂CO₃.
• B) At equilibrium, [HF] > [H₂CO₃] because H₂CO₃ is a stronger acid than HF.
• C) At equilibrium, [HF] = [H₂CO₃].
• D) At equilibrium, [H₂CO₃] > [HF] because HF is a stronger acid than H₂CO₃.
• E) At equilibrium, [H₂CO₃] > [HF] because H₂CO₃ is a stronger acid than HF.

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