At Which PH Will a Solution of a 0

question 35

Multiple Choice

At which pH will a solution of a 0.00050 M solution of aniline (pK_a = 4.63) contain the greatest amount of the neutral species?

• A)2.74
• B)4.63
• C)7.31
• D)9.90

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Definitions:

Numerical Indexes

Measures or indicators that are expressed as numbers, often used to compare and analyze data.

Mean

The arithmetic average of a set of values, calculated by summing the values and then dividing by the number of values.

Distribution

In statistics, the way in which values of a variable are spread or dispersed across a set of data.

Standard Deviation

A statistical measure that quantifies the amount of variation or dispersion of a set of data values from the mean.