Benzaldehyde (106

question 118

Multiple Choice

Benzaldehyde (106.12 g/mol) , also known as oil of almonds, is used in the manufacture of dyes and perfumes and in flavorings. What would be the freezing point of a solution prepared by dissolving 75.00 g of benzaldehyde in 850.0 g of ethanol? (For ethanol, K_f = 1.99°C/m; freezing point of pure ethanol = -117.3°C)

• A) -117.5°C
• B) -118.7°C
• C) -119.0°C
• D) -120.6°C
• E) -121.1°C

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