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:

-lepsy

A suffix denoting a condition or form of seizure, such as in epilepsy.

Macula

A small central area in the retina of the eye that is responsible for sharp, detailed central vision.

Muscular

Pertaining to or involving the muscles or the flesh of the body.

Otodynia

Pain in the ear; earache, often caused by infection or inflammation of the ear.