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

Identify and classify bacteria based on shape, oxygen requirements, and staining properties.

Recognize the relationship between specific types of bacteria and the diseases they cause.

Understand the differences between bacteria, viruses, and other pathogens in terms of structure, reproduction, and disease causation.

Comprehend the methods for culturing, staining, and identifying bacteria and viruses.