Hydrofluoric Acid Is Used in the Preparation of Numerous Pharmaceuticals

question 65

Multiple Choice

Hydrofluoric acid is used in the preparation of numerous pharmaceuticals (e.g., Prozac) and industrial materials (e.g., Teflon) . It can be produced by the reaction of hydrogen and fluorine gases. Starting with initial concentrations of 2.00 M for H₂ and 2.00 M for F₂, what would be the equilibrium concentration of HF? The equilibrium constant for the reaction K_c  115.

• A)0.85 M
• B)1.69 M
• C)2.85 M
• D)3.37 M
• E)4.00 M

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