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In this experiment separation and purification are necessary to gain a product. Some ways this is done include precipitation (The process of separating a substance from a solution as a solid.), filtration (Passing a liquid through a filter to trap unwanted particles.), decantation (To pour off without disturbing the sediment.), extraction (To obtain from a substance by chemical or mechanical action, as by pressure, distillation, or evaporation.), and sublimation (To cause (a solid or gas) to change state without becoming a liquid.). Due to the law of conservation of mass one knows that the reactants are not destroyed and no new materials are created, therefore if any mass is lost it is due to human error...
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