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Practice question

Question

Which acid has the highest buffering capacity near pH 4?

Options

Choose one · Correct answer highlighted

Explanation

Acetic acid is the scientifically accurate answer to this question. Within the study of pH and Buffer, this concept is well-established through extensive research and is documented in standard scientific literature. The specific properties, mechanisms, or characteristics of Acetic acid directly address what is being asked. Among the other options, Carbonic acid, Phosphoric acid, and Citric acid do not correctly answer this question because they either refer to different concepts, describe properties of other molecules or processes, or represent common misconceptions about this topic.