A Research Chemist Isolates a New Compound with an Empirical $\circ$

question 118

Multiple Choice

A research chemist isolates a new compound with an empirical formula C₃H₃O₂. Dissolving 2.51 g of the compound in 100. g of water produces a solution with a freezing point of -0.325 ^$\circ$ C. What is the molecular formula of the compound (For water, K_f = 1.86 ^$\circ$ C/m.)

• A) C₃H₃O₂
• B) C₆H₆O₄
• C) C₉H₉O₆
• D) C₃H₁₂O₄
• E) None of the above

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