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General Chemistry3. Chemical ReactionsMolecular Formula

Multiple Choice

Cortisol (MW = 362.47 g/mol), a known steroid hormone, is found to contain 69.6% carbon, 8.34% hydrogen, and 22.1% oxygen by mass. What is its molecular formula?

A

C₂₁H₃₀O₅

B

C₂₁H₂₆O₅

C

C₂₈H₄₆O

D

C₁₈H₂₄O₂

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