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Chemistry Lab Physical Separation LabThe purpose of this lab was to try different methods to physically separate various materials The variables for this lab were the evaporation of the water andor the loss of sand or salt My hypothesis for this lab was that the sand could be filtered out of the water and AUTHOR gouverneur Page PAGE 1 DATE 101200 Ring stand - used to hold the wire gauze and the evaporating dishRing - used to hold the wire gauze in place on the ring standWire gauze - used to set the evaporating dish on to be heatedButane burner - used to heat the salt water solution to evaporate the waterEvaporating dish - used to evaporate the water from the saltBalance - used to measure the mass of the solutions Safety procedures included safety glasses and apronsDisposal procedures included returning the sand to a disposal jar and dumping 1 Weighed filter paper and recorded results2 Weighed evaporating dish and recorded results3 Poured approximately 10 grams of sand on the filter paper and recorded 4 Poured sand into evaporating dish 5 Weighed another piece of filter paper and recorded results6 Poured approximately 10 grams of salt on the filter paper and recorded 8 Mixed in a small amount of water9 Used filter paper and funnel to separate sand from salt and water11 Put the separated sand back into the evaporating dish measured mass and 11 Mixed in a small amount of water and find the mass11 Boiled the water until it evaporated completely11 Re-weighed the salt in the evaporating dish and recorded resultsTable 1 Separation of Salt and SandDish MassSalt MassSand MassTotalDry MassSand Left Error391g102g104g597g517g106g19106 - 10 4 0202 104 00192 00192 100 19Table 2 Separation of Salt and WaterDish MassSalt MassSand MassTotalDry MassSalt Left Error391g100gNA491g485g98g2100 - 98 02 02 100 002 002 100 2I observed the salt dissolve in the water when
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