Explain why the boiling temperature of an ideal mixture of two liquids increases as distillation proceeds. What changes about the mixture as distillation proceeds?
The boiling point of an ideal mixture of two liquids increases as distillation proceeds. This is becasue heat is absorbed by the distilling solution to raise the temperature of the mixture until it reaches the boiling point of the low boiling component. The low boiling component fraction increases in the vapor phase which then eventually distills off from the system. The temperature of the system until all of first component distills remains constant. the system is now enriched with the component that remained back.
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