A Certain Acid,HA,has a K_a Given By

question 5

Multiple Choice

A certain acid,HA,has a K_a given by:
HA + H₂O ⇌ H₃O⁺ + A^- K_a = 6.80 × 10^-6
What is the pH of a 0.247 M aqueous solution of the acid's potassium salt,KA,which undergoes the hydrolysis reaction?
A^- + H₂O ⇌ OH^- + HA

• A)4.72
• B)9.28
• C)4.11
• D)9.89
• E)9.44

---

Definitions:

Copyrighted

A legal term denoting the exclusive right granted to the creator of an original work, including the right to copy, distribute, and adapt the work.

Patenting

The process of obtaining a patent, which is an exclusive right granted for an invention, allowing the patent holder to exclude others from making, using, or selling the invention.

Industrial Design Act

Legislation governing the protection of the visual design of objects that are not purely utilitarian, ensuring creators have exclusive rights to their designs.

Registered

Officially recorded and recognized by authorities or organizations, often in a public registry.