Which of the Following Are True About Buffers

question 26

Multiple Choice

Which of the following are true about buffers?

• A) An effective buffer is made from a strong acid and strong base.
• B) A buffer is most resistant to changes in pH when [HA] = [A^-].
• C) A buffer is only resistant to changes in pH when acid is added.
• D) The pH range of a buffering system is 0 to 14.

---

Definitions:

Expressive Aphasia

A neurological disorder characterized by the impaired ability to produce language (spoken or written) despite being able to understand it, typically resulting from brain damage.

Receptive Aphasia

A neurological condition characterized by difficulties in understanding spoken or written language, despite intact sensory function.

Written Language

A system of symbols and signs used to convey complex messages and ideas through the physical medium of writing.

Kintsch And Keenan

Researchers known for their work on text comprehension and the construction-integration model of textual understanding.