design-an-experiment-using-a-vacuum-flask-and-buckner-funnel-to-separate-a-mixtu

Question

Design an experiment using a vacuum flask and Buckner funnel to separate a mixture of sand and water. What steps would you include?

Accepted Answer

Attach the Buckner funnel to the vacuum flask, place filter paper in the funnel, and apply vacuum to draw water through.

Answer

Stir the mixture vigorously to separate the sand.

Answer

Heat the mixture in the vacuum flask to evaporate the water.

Answer

Use a separatory funnel to separate the sand from the water.