Chemistry

EXPERIMENTAL CHEMISTRY Filtration - lead(II) sulphate from sodium sulphate Done by: Bon Cheryl Class: 3H

Filtration ,[object Object],[object Object],[object Object]

Procedure Step 1: Prepare the lead(II) sulphate. Pour 30 cm3 of sodium sulphate into a beaker containing 50 cm3 of lead(II) nitrate solution. Stir the reaction mixture with a glass rod. Aqueous sodium sulphate Aqueous lead(II) nitrate Glass rod

Procedure Step 2: Fold the filter paper. Fold a piece of filter paper as shown. Place it in a filter funnel. Moisten it with a little distilled water.

Procedure Step 3: Filter the mixture. Pour the reaction mixture into the filter funnel that is lined with filter paper. Collect the filtrate that passes through the filter paper in a conical flask. filtrate filter paper residue reaction mixture

Procedure Step 4: Collect the residue The residue is lead(II) sulphate. Wash the residue with distilled water. Then dry the residue on a piece of filter paper. Distilled water Dry the lead(II) sulphate

Filtration ,[object Object],[object Object]

Filtration ,[object Object],filtrate residue Filter paper Small particles of liquid pass through and become the filtrate Large insoluble particles are trapped by the filter paper and become the residue

Animation on filtration http://www.saskschools.ca/curr_content/science10/unita/redon17.html

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Chemistry

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