The PK_a of Lactic Acid Is 3

question 20

Multiple Choice

The pK_a of lactic acid is 3.86. What is the pH of a buffer in which the lactic acid concentration is 0.20 M and the sodium lactate concentration is 2.0 M?

• A) 2.86
• B) 3.86
• C) 4.86
• D) 7.00

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Definitions:

Dignity

The state or quality of being worthy of honor or respect, often considered as an intrinsic value of individuals.

AIDS

Acquired Immune Deficiency Syndrome, a life-threatening condition caused by the human immunodeficiency virus (HIV), which severely damages the immune system.

Contagious Disease

An infectious disease that can be transmitted from one individual to another through direct contact, airborne particles, or other means.

ISAS

A shorthand presentation of the symbolic interactionist’s statement: Behavior of the individual is in response to symbols, relative to the audience, and relative to the situation.