At a Temperature of 214 K, Carbon Disulfide, CS₂, and Acetone

question 5

Multiple Choice

At a temperature of 214 K, carbon disulfide, CS₂, and acetone, CH₃COCH₃, are not fully miscible and, instead, form separate liquid phases with mole fractions of carbon disulfide of 0.403 and 0.833. Use the lever rule to calculate the relative amounts of the two phases when 10.0 g of carbon disulfide and 10.0 g of acetone are mixed together at this temperature.

• A) 13.8:1
• B) 2.08:1
• C) 1.31:1
• D) 14.8:1

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