Purpose – To react copper sulfate with iron, producing iron sulfate and copper. Materials – copper sulfate (CuSO 4 ) and Fe filings – water – beakers, mortar and pestle, graduated cylinder, stirring rod – hot plate Write in your comp books – Extracting Copper from Copper Sulfate CuSO 4 + Fe => FeSO 4 + Cu

Procedure 1.Wear your goggles. 2.Measure out about g of CuSO 4 crystals and place in a beaker. 3.Add 20 ml of water to the CuSO 4 in the beaker. 4.Use the hot plate with a setting of med-hi to help dissolve the crystals. Stir and do not allow it to boil. 5.Measure out 1.0 g of iron (Fe) filings and leave in small plastic tray. 6.Once the CuSO 4 is dissolved, remove from heat and slowly add the iron and then stir on and off for 3-4 minutes. 7.Carefully pour the liquid into waste container on the front counter (not the metal!). 8.Rinse the “new” metal a few times. 9.Answer all questions. 10.Clean up – rinse all glassware. Dump copper in garbage. Return all materials to bins for next class.

Observations/Questions – answer in your comp books. 1.Describe the reactants (copper sulfate crystals and iron) prior to the chemical reaction. 2.What happened to the copper sulfate when combined with water? Do you think this step is a physical or chemical change? 3.Where did the iron go during the reaction? What happened to the copper sulfate? 4.List and describe all pieces of evidence you have that a chemical reaction occurred. 5.Describe the “new solid” in the bottom of beaker. What do you think it is? 6.Where did this product come from? 7.Look at the chemical equation. What other product was formed? 8.Could you make the reaction go “backwards” -get the iron metal and CuSO 4 crystal back again? 9.Is this the way we extract this metal (or any metal for that matter) in industry? If not, how do we get it?