The Percent Composition by Mass of a Compound Is 76

question 80

Multiple Choice

The percent composition by mass of a compound is 76.0% C, 12.8% H, and 11.2% O. The molar mass of this compound is 284.5 g/mol. What is the molecular formula of the compound

• A) C₁₀H₆O
• B) C₉H₁₈O
• C) C₁₆H₂₈O₄
• D) C₂₀H₁₂O₂
• E) C₁₈H₃₆O₂

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Definitions:

Undisclosed Principal

In an agency relationship, a principal whose identity is not revealed to the third party by the agent.

Implied Authority

Authority of an agent that is not expressly granted but assumed to be given as necessary to perform tasks related to their job.

Actual Authority

The explicit power granted to an agent or representative by the principal to perform certain acts on their behalf.

Principal's Ratification

The formal approval by a principal (party in authority) of an act performed on their behalf, usually validating a previously unauthorized act.