What Is the Approximate PK_a of a Weak Acid HA

question 56

Multiple Choice

What is the approximate pK_a of a weak acid HA if a solution 0.1 M HA and 0.3 M A^- has a pH of 6.5?

• A)5)8
• B)6)0
• C)6)2
• D)6)4
• E)6)6

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Definitions:

Social Proof

The psychological phenomenon where people assume the actions of others in an attempt to reflect correct behavior for a given situation.

Scarcity

A condition where resources are limited in comparison to the desires or needs.

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The quality of being trusted and believed in, often resulting from a demonstrated record of reliability and integrity.

Reciprocity

Reciprocity is a social norm that involves mutual exchange, where actions or benefits provided by one party are returned by another.