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

question 8

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, ℳ= 256.5 g/mol) in 1250 g of CCl₄? K_b = 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°C

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