The Molecular Formula for Caffeine Is C₈H₁₀O₂N₄

question 15

Multiple Choice

The molecular formula for caffeine is C₈H₁₀O₂N₄. How many moles of C atoms are present in a 2.0 g sample of caffeine?

• A) 0.32 mole
• B) 0.27 mole
• C) 0.041 mole
• D) 0.082 mole
• E) 0.010 mole

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Definitions:

Intrathecal

Relating to the administration of drugs or other substances into the space under the arachnoid membrane of the brain or spinal cord.

Spinal Canal

The cylindrical space within the vertebral column that contains the spinal cord.

By Mouth

A term used in medicine to indicate that a medication or substance is to be taken orally.

Abbreviation

A shortened form of a word or phrase, used to simplify writing and speaking while retaining the intended meaning.