Determine the PH of a 0

question 55

Multiple Choice

Determine the pH of a 0.580 M KCH₃CO₂ solution at 25°C.The K_a of CH₃CO₂H is 1.80 × 10^-5.

• A) 9.25
• B) 4.75
• C) 7.00
• D) 12.5
• E) 1.47

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Definitions:

Standardized Normal Value

A value derived from the process of transforming a data point to fit the normal distribution with a mean of 0 and a variance of 1.

Z-value

A statistical metric indicating how many standard deviations away from the mean a specific data point lies.

Random Variable

A random variable is a variable whose values depend on outcomes of a random phenomenon.

Standard Normal Probability Distribution

A probability distribution that has a mean of 0 and a standard deviation of 1, used in statistics to represent standardized values of a dataset.