Question: asap A mixture between liquid A and liquid B forms partially miscible liquids. The upper critical solution temperature, Tuc of this mixture occurs at 75C

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A mixture between liquid A and liquid B forms partially miscible liquids. The upper critical solution temperature, Tuc of this mixture occurs at 75C with 65% mole of B. The mixture is at equilibrium between one phase and two phases liquids at 20C with 20%B and at 30C with 85%B. (a) Sketch and label the temperature-composition phase diagram for liquid AB. [4] (b) Explain the dissolution process when B is slowly added to A starting from 25% B to 90% at 45C. Show the relevant line your diagram in (a)

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