What Is the Empirical Formula of a Hydrocarbon (A Compound

question 28

Multiple Choice

What is the empirical formula of a hydrocarbon (a compound that consists of only carbon and hydrogen) that contains 81.7% carbon by mass?

• A) C₅H₁₂
• B) C₃H₈
• C) C₄H₁₀
• D) C₂H₆
• E) none of these

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Definitions:

Spinal Cord

A long, thin, tubular bundle of nervous tissue and support cells that extends from the brain, facilitating communication between the brain and the rest of the body.

Medulla Oblongata

The medulla oblongata is a part of the brainstem that controls vital bodily functions such as breathing, heart rate, and blood pressure.

Cerebral Aqueduct

A narrow channel within the brain that connects the third and fourth ventricles, allowing for the flow of cerebrospinal fluid.

Pons

A part of the brainstem that links the medulla oblongata and the thalamus, playing a crucial role in sleep and dreaming.