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Synthesis of Alum Lab

Synthesis of Alum Lab - Cody Pennington Chelsea Herrick...

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Cody Pennington Chelsea Herrick Vladimir Khodus Abstract: The Synthesis of Alum experiment involved combining a piece of aluminum with 3M potassium hydroxide solution (KOH). The goal of this experiment was to obtain a sample of alum crystals. This was achieved by mixing a piece of aluminum foil (Al) with the solution to cause a reaction. A series of filtrations processes took place to separate the alum from the solution to obtain the crystals. Various tests were conducted to confirm that the crystals were alum. The result of the aluminum and potassium hydroxide combination was an exothermic reaction. The aluminum sample underwent ionization. This experiment confirmed the synthesis process of the aluminum sample. Procedure: A piece of aluminum foil weighing 0.98 grams was torn into several smaller pieces and placed in a 250 mL beaker. 25 mL of 3 molar KOH solution (potassium hydroxide) was poured into the beaker with the aluminum foil. An exothermic reaction took place as shown by bubbling and fizzing. After about ten minutes the foil was completely dissolved. The solution was filtered
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