A Compound Contains 40

question 77

Multiple Choice

A compound contains 40.0% C, 6.71% H, and 53.29% O by mass. The molecular weight of the compound is 60.05 amu. The molecular formula of this compound is _ _.

• A) C₂H₃O₄
• B) CHO₂
• C) C₂H₄O₂
• D) C₂H₂O₄
• E) CH₂O

---

Definitions:

Cognitive-Behavioral

A therapeutic approach that seeks to modify negative thoughts and behaviors by challenging and changing them.

Minnesota Multiphasic Personality Inventory

A comprehensive psychological assessment tool used to diagnose mental disorders and assess personality structure.

Concurrent Validity

The degree to which the results of a particular test or measurement correspond to those of a previously established test or measurement performed at the same time.

Style

A distinctive appearance or manner adopted by individuals or groups, often in the context of fashion, writing, or architecture.