Cinnamaldehyde (ℳ = 132

question 94

Multiple Choice

Cinnamaldehyde (ℳ = 132.15 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 82.7°C? K_b = 1.22°C/m, boiling point of pure ethanol = 78.5°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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