Cinnamaldehyde ( = 132

Multiple Choice

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_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