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?
Kb = 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
Correct Answer:

Verified
Correct Answer:
Verified
Q13: Human blood has a molar concentration of
Q30: Two aqueous solutions are prepared: 1.00 m
Q37: Potassium fluoride is used for frosting glass.
Q37: Two aqueous solutions are prepared: 2.0 m
Q46: Dimethylglyoxime, DMG, is an organic compound used
Q49: Heats of hydration may be either positive
Q50: What is the molality of a solution
Q52: Colligative properties depend on<br>A)the chemical properties of
Q79: Calculate the molarity of a solution prepared
Q81: Calcium nitrite is used as a corrosion