Cinnamaldehyde (132

question 22

Multiple Choice

Cinnamaldehyde (132.16 g/mol) is used as a flavoring agent. What mass of cinnamaldehyde must be added to 175 g of ethanol to give a solution whose boiling point is 82.57°C? (For ethanol, K_b = 1.22°C/m; boiling point of pure ethanol = 78.37°C)

• A) 62.4 g
• B) 67.8 g
• C) 76.2 g
• D) 78.5 g
• E) 79.6 g

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