The Equilibrium Constant for the Reaction C₇H₁₅COOH(aq)+ HCOO^-(aq)

question 6

Multiple Choice

The equilibrium constant for the reaction C₇H₁₅COOH(aq) + HCOO^-(aq)
C₇H₁₅COO^-(aq) + HCOOH(aq)
Is 7.23 × 10^-2 at 25°C.If K_a for formic acid (HCOOH) is 1.77 × 10^-4, what is the acid dissociation constant for C₇H₁₅COOH?

• A)2.45 × 10^-3
• B)4.08 × 10^-2
• C)7.81 × 10^-4
• D)1.00 × 10^-4
• E)1.28 × 10^-5

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