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:

Metacommunication

The process of communicating about the act of communication itself, including cues and contexts that influence how messages are perceived and understood.

Nonverbal Communication

The process of conveying a message without the use of words, which can include facial expressions, body language, gestures, and even tone and pitch of voice.

Verbal Communication

The use of spoken or written words to convey messages, ideas, or feelings.

Connotative Meaning

The emotional and associative implications that a word or phrase may carry, in addition to its explicit or primary meaning.