If the POH of a Coffee Sample Is 8

question 134

Multiple Choice

If the pOH of a coffee sample is 8.85, what is the H₃O⁺ concentration in the coffee?

• A)5.2 M
• B)7.1 × 10^-8 M
• C)7.1 × 10^-7 M
• D)7.1 × 10^-6 M
• E)8.8 M

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Definitions:

Instrument Usefulness

Refers to the effectiveness and efficiency of a tool or device in achieving its intended purpose, especially in research or assessment contexts.

Content Sampling Error

is a type of error that occurs when the content or items selected for a test or measurement do not adequately represent the full domain of the content being measured.

Test Administration Error

Mistakes or inconsistencies that occur during the administration of a test, potentially affecting the validity or reliability of the results.

Time Sampling Error

A statistical error that occurs when the sample data collected does not accurately represent the population over a specific time period.