The Equilibrium Constant for the Reaction C₆H₅COOH(aq)+ CH₃COO^-(aq) C₆H₅COO^-(aq)

question 124

Multiple Choice

The equilibrium constant for the reaction C₆H₅COOH(aq) + CH₃COO^-(aq) C₆H₅COO^-(aq) + CH₃COOH(aq)
Is 3.6 at 25°C. If K_a for CH₃COOH is 1.8 * 10^-5, what is the acid dissociation constant for C₆H₅COOH?

• A)5.0 * 10^-6
• B)6.5 * 10^-5
• C)2.3 * 10^-4
• D)8.3 * 10^-5
• E)5.6 * 10^-6

---

Definitions:

Baby's Heart Rate

The number of heartbeats per minute of a fetus or newborn, often monitored to assess health during pregnancy and after birth.

Fetal Movements

Movements made by the fetus inside the uterus, often felt by the mother, serving as an indicator of the fetus's wellbeing and development.

Amniocentesis

A medical procedure used in prenatal diagnosis, involving the extraction of a small amount of amniotic fluid surrounding the fetus using a needle through the abdominal wall, to test for genetic disorders and other conditions.

Amniotic Fluid

The fluid surrounding a fetus within the amniotic sac, providing protection and facilitating the exchange of nutrients, water, and biochemical products between mother and fetus.