Dioxybenzone Is a Compound Found in Sunscreen,and Only Contains Carbon,oxygen,and

question 56

Multiple Choice

Dioxybenzone is a compound found in sunscreen,and only contains carbon,oxygen,and hydrogen.Analysis of the compound found that it contains 4.92% hydrogen and 26.18% oxygen.The molar mass of the compound is 244.25 g/mol.What is the molecular formula?

• A) C₁₂H₁₀O₃
• B) C₁₀H₈O₄
• C) C₈H₁₁O₅
• D) C₁₄H₁₂O₄
• E) C₁₆H₁₀O₆

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Definitions:

Surface Tension

The cohesive force at the surface of a liquid that allows it to resist an external force, due to the uneven attraction between molecules at the surface and those in the bulk of the liquid.

Adhesion

The force that holds molecules of different substances together, important in various biological and physical processes.

Cohesion

The action or property of like molecules sticking together, being mutually attractive.

Cohesion

The action or property of molecules of the same substance sticking together, playing a critical role in the movement of water in plants.