Caffeine Has an Elemental Analysis of 49

question 22

Multiple Choice

Caffeine has an elemental analysis of 49.48% C, 5.190% H, 16.47% O, and 28.85% N.It has a molar mass of 194.19 g/mol.What is the molecular formula of caffeine?

• A)C₄H₅N₂O
• B)C₈H₁₀N₄O₂
• C)C₁₀H₁₄N₂O₂
• D)C₆H₆NO₂
• E)C₅H₇NO

---

Definitions:

Biogenic Needs

Basic, physiological needs required for human survival, such as food, water, air, and shelter.

Psychogenic Needs

Psychological desires or needs that arise from the mental or emotional states of individuals, such as the need for recognition, esteem, or companionship.

Utilitarian Needs

Needs that are practical and functional in nature, emphasizing the utility and practical benefits of a product or service.

Hedonic Needs

Refers to the desire for sensory pleasure and experiences that provide enjoyment or luxury.