Suction filtration

Place a rubber cone in the mouth of the suction flask.
Place the Büchner funnel in the rubber cone.
Place a filter paper inside the Büchner funnel.
Turn on the vacuum.
Pour a little of the solvent onto the filter to make it stick to the funnel.
Pour the mixture to be filtered into the funnel.
After all the liquid has been sucked through, wash the filter cake with a little solvent.