Which of the Following Could Be a Buffer

question 71

Multiple Choice

Which of the following could be a buffer?

• A) NaF
• B) HF + NaF
• C) HF + H₂O
• D) NaF + H₂O
• E) NaCl + HF

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Definitions:

Observed Score

The score that is recorded or observed. See True Score.

Error Score

The difference between observed values and the values predicted by a model or measure, indicating measurement error or variance.

True Score

The score that, if it could be observed, would reflect the actual ability or behavior being measured. See Observed score.

Accounts Receivable Turnover

A financial metric indicating how many times a company collects its average accounts receivable within a certain period.