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Cinnamaldehyde ( = 132

question 8

Multiple Choice

Cinnamaldehyde ( Cinnamaldehyde ( = 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<sub>b</sub> = 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 = 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

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