Analysis of a Carbohydrate Showed That It Consisted of 40

question 48

Multiple Choice

Analysis of a carbohydrate showed that it consisted of 40.0 % C, 6.71 % H, and 53.3 % O by mass. Its molecular mass was found to be between 140 and 160 amu. What is the molecular formula of this compound?

• A)C ₄H ₈O ₆
• B)C ₅H ₁₀O ₅
• C)C ₅H ₁₂O ₅
• D)C ₆H ₁₂O ₄
• E)None of these choices are correct.

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Definitions:

Top-down Processing

A cognitive process that initiates with our thoughts, which flow down to lower-level functions, such as the senses.

Prosopagnosia

Known as face blindness, this is a disorder in the neurological system that hampers facial recognition abilities.

Context Effects

The influence of environmental factors on one's perception, cognition, or behavior, indicating how context shapes psychological processes.

Subliminal Messaging

A form of communication designed to influence the subconscious mind of the audience, containing hidden messages not consciously perceived.