What Is the Value of K in the Equilibrium Reaction

question 113

Multiple Choice

What is the value of K in the equilibrium reaction of acetic acid: HC₂H₃O₂ ⇌ H⁺ + C₂H₃O₂^-, if [H⁺] = 0.20 M and [HC₂H₃O₂] = 0.30 M?

• A)0.13
• B)0.04
• C)0.20
• D)0.012

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