Ibuprofen Is 75

question 78

Multiple Choice

Ibuprofen is 75.69% C, 8.80% H, and 15.51% O by mass.What is its empirical formula?

• A)C₆H₉O
• B)C₉H₉O₂
• C)C₇H₁₈O₂
• D)C₇H₉O₂
• E)C₁₃H₁₈O₂

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Definitions:

Sampling Bias

A systematic error in a research study resulting from non-random sampling of participants, leading to unrepresentative sample data.

Experimenter Bias

A type of bias that occurs when a researcher's expectations or preferences about the outcome of a study influence the results obtained.

Socially Desirable Responding

The tendency of respondents to answer questions in a manner that will be viewed favorably by others, often leading to overreporting of "good" behavior and underreporting of "bad" behavior.

Intellectual Disability

A condition characterized by significant limitations in both intellectual functioning and in adaptive behavior, which covers a range of everyday social and practical skills.