What Is the PK_a for the Acid HA If a Solution

question 89

Multiple Choice

What is the pK_a for the acid HA if a solution of 0.65 M HA and 0.85 M NaA has a pH of 4.75?

• A)< 4.00
• B)4.63
• C)4.87
• D)5.02
• E)> 5.50

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Definitions:

SS(Total)

The total sum of squares in a statistical analysis, representing the total variation in the dataset.

ANOVA Table

A tabulated format that displays the output from an analysis of variance, summarizing the sources of variation and the associated statistical tests.

α

Represents the level of significance in hypothesis testing, often denoting the probability of making a type I error.

SSB

A statistical term that can stand for Sum of Squares Between groups, measuring the variability among group means in an analysis of variance.