00800 G of a Compound with the Empirical Formula C₂H₂N

question 10

Multiple Choice

0.0800 g of a compound with the empirical formula C₂H₂N is dissolved in 10.00 g benzene. The resulting solution freezes at 4.99°C. Benzene freezes at 5.48°C and has a freezing point depression constant of Kf = 4.90°C/m. What is the molecular formula of the compound?

• A) C₃H₂N
• B) C₃H₃N
• C) C₄H₄N₂
• D) C₆H₆N₃
• E) C₈H₈N₄

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