A Solution Is Prepared by Dissolving 0

question 66

Multiple Choice

A solution is prepared by dissolving 0.23 mol of chloroacetic acid and 0.27 mol of sodium chloroacetate in water sufficient to yield 1.00 L of solution. The addition of 0.05 mol of HCl to this buffer solution causes the pH to drop slightly. The pH does not decrease drastically because the HCl reacts with the _ present in the buffer solution. The K_a of chloroacetic acid is 1.36 × 10^{- 3}.

• A) H₃O⁺
• B) chloroacetic acid
• C) H₂O
• D) This is a buffer solution:
• The pH does not change upon addition of acid or base.
• E) chloroacetate ion

---

Definitions:

Fair Housing Act

A U.S. law passed in 1968 that prohibits discrimination in the buying, selling, renting, or financing of housing based on race, religion, national origin, or sex.

Discrimination

Unjust or prejudicial treatment of different categories of people, especially on the grounds of race, age, or sex.

Housing Market

An economic segment that deals with the buying, selling, and leasing of properties, including houses and apartments.

Exclusive Right

A privilege or entitlement granted to an individual or entity to be the sole provider or beneficiary of a specific service, product, or activity.