An Acetate Buffer Has a PH of 4

question 28

Multiple Choice

An acetate buffer has a pH of 4.40. Which of the following changes will cause the pH to decrease?

• A)Dissolving a small amount of solid sodium acetate
• B)Ading a small amount of dilute hydrochloric acid
• C)Adding a small amount of dilute sodium hydroxide
• D)Dissolving a small amount of solid sodium chloride
• E)Diluting the buffer solution with water

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Definitions:

Between Assessment

An evaluation or analysis conducted to compare or distinguish differences or similarities among subjects at different times or conditions.

One-group Pretest-posttest Design

A research design where a single group of subjects is tested before and after a treatment to observe changes.

Pretest

An assessment given before a main intervention or treatment to establish a baseline measure of the participants' knowledge or skills.

Experimental Manipulation

The deliberate alteration of variables in an experimental setup to study its effects on the outcome.