Analysis of a Carbohydrate Showed That It Consisted of 40

question 10

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) C₄H₈O₆
• B) C₅H₁₀O₅
• C) C₅H₁₂O₅
• D) C₆H₁₂O₄
• E) none of the above

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Definitions:

Shereshevsky

Referring to Solomon Shereshevsky, a Russian journalist with a phenomenal memory, often studied in psychology for his extraordinary mnemonical capacities.

Ebbinghaus

Herman Ebbinghaus, a German psychologist known for his pioneering work on memory, especially the forgetting curve and the spacing effect.

Newly Learned Information

Data or knowledge that has been recently acquired or understood by an individual.

Anterograde Amnesia

A loss of the ability to create new memories after the event that caused the amnesia, leading to an inability to recall recent experiences.