A Buffer Is Prepared by Adding 1

question 16

Multiple Choice

A buffer is prepared by adding 1.00 L of 1.0 M HCl to 750 mL of 1.5 M NaHCOO. What is the pH of this buffer? K_a = 1.7 × 10⁻⁴

• A)2.87
• B)3.72
• C)3.82
• D)3.95
• E)4.66

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Definitions:

Projection

Psychological defense mechanism in which unacceptable or threatening impulses or feelings are seen as originating with someone else, usually the target of the impulses or feelings.

Defense Mechanism

Psychological strategies brought into play by individuals, groups, or even nations to cope with reality and to maintain self-image.

Infidelity

Refers to the act of being unfaithful or violating a commitment or trust in a romantic relationship.

Rationalization

Psychological defense mechanism in which a person invents acceptable excuses for unacceptable behavior.