Carbon Tetrachloride,once Widely Used in Fire Extinguishers and as a Dry

Multiple Choice

Carbon tetrachloride,once widely used in fire extinguishers and as a dry cleaning fluid,has been found to cause liver damage to those exposed to its vapors over long periods of time.What is the boiling point of a solution prepared by dissolving 375 g of sulfur (S₈,256.5 g/mol) in 1250 g of CCl₄? (For CCl₄,Kb = 5.05°C/m; boiling point of pure CCl₄ = 76.7°C)

A) 70.8°C
B) 75.2°C
C) 78.2°C
D) 82.6°C
E) 85.7°C