Distillation Flashcards
What does distillation do?
Separates a solvent from a solution.
What must simple distillation rely on for it to work?
The solvent having a much lower boiling point that the solute.
What is simple distillation useful for in the laboratory?
Purifying a solvent, namely providing purified water.
What does fractional distillation do?
Fractional distillation separates 2 or more substances from a mixture in the liquid state.
What must fractional distillation rely on?
Each substance in the mixture having a different boiling point.
Which pieve of equipment is used in fractional distillation but not simple distillation?
Fractionating column.
State an industrial use of fractional distillation.
Separating bioethanol from water to use as a fuel.
How does the fractionating column improve distillation?
It has a large surface area on which vapours can continually condense.
