Buffer Solutions with the Component Concentrations Shown Below Were Prepared

question 4

Multiple Choice

Buffer solutions with the component concentrations shown below were prepared. Which of them should have the lowest pH?

• A)[CH₃COOH] = 0.25 M, [CH₃COO⁻] = 0.25 M
• B)[CH ₃COOH] = 0.75 M, [CH ₃COO ⁻] = 0.75 M
• C)[CH ₃COOH] = 0.75 M, [CH ₃COO ⁻] = 0.25 M
• D)[CH ₃COOH] = 0.25 M, [CH ₃COO ⁻] = 0.75 M
• E)[CH ₃COOH] = 1.00 M, [CH ₃COO ⁻] = 1.00 M

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Definitions:

Quaternary

Referring to carbon atoms bonded to four different groups, especially relevant in organic chemistry when discussing carbon structure and stereochemistry.

Bootstrap Distribution

A distribution obtained by repeatedly sampling, with replacement, from a sample dataset to estimate the shape of the population distribution.

Bias

A systematic error or deviation from the truth in results or inferences, which can occur in the collection, analysis, interpretation, or review of data.

Resamples

The process of drawing repeated samples from a set of data with the aim of estimating a population parameter.