Generally, a Chemical Buffer Is Described as

question 68

Multiple Choice

Generally, a chemical buffer is described as

• A) a strong acid or strong base that brings the pH of a solution to 7.0.
• B) a weak acid and weak base that help prevent big changes in pH.
• C) a neutral molecule that does not influence the pH in any way.
• D) a weak acid that makes a solution slightly more basic by its presence.

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Definitions:

Dependent Variable

In statistics and research, it refers to the variable being tested and measured, assumed to depend on one or more independent variables.

Independent Variable

A variable in an experiment or study that is manipulated or changed to observe its effects on the dependent variable.

Dependent Variable

A variable in an experiment or study whose changes are determined by the presence or variation of one or more independent variables.

Interest Rate

The proportion of a loan that is charged as interest to the borrower, typically expressed as an annual percentage of the loan outstanding.