05pAlum - SYNTHESIS OF AN ALUM Click to edit Master...

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Click to edit Master subtitle style SYNTHESIS OF AN ALUM Last Update: 2/2/10 07:09:38 AM
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Purpose: To synthesize an inorganic salt and recover it using crystallization Concepts: Synthesis Starting Material Product Yield Percent Yield Mole Relationships Water of crystallization Temperature dependence of solubility Techniques: Gravity Filtration Vacuum Filtration Crystallization Quantitative Transfer Apparatus: Funnel Filter Paper Filter Flask Buchner Funnel Ice Bath Aspirator
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Our objective is to synthesize the alum, potassium aluminum alum, K Al ( SO4 )2 12H2O SYNTHESIS SYNTHESIS: The process by which a desired substance ( Product ) is produced from other substances ( Starting materials ) by one or more chemical reactions We use the observation that aluminum metal dissolves in strong bases. An obvious starting material for our alum is a source of aluminum, Al . What might the others be? Starting Materials reactions Products
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Temperature (oC) K2SO 4 Al2(SO4) 3 Alum
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1. Weigh approximately 1 g of aluminum on the
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05pAlum - SYNTHESIS OF AN ALUM Click to edit Master...

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