1) Heading a. Analysis of Alum b. September 8‚2010 – September 10‚2010 c. Asad Mehmood d. Lab Partner: Alec Drey‚ Sarah Schrader‚ Seth Kerrey 2) Purpose e. Research Problem: Is what we have alum? In this lab‚ we will be analyzing alum by doing three different tests. The first will be to find the melting point‚ the second to find the amount of water in alum‚ and the third is to find the percent sulfate. We expect the values to be close to the actual.
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Preparation of Potash Alum A PROJECT REPORT SUBMITTED TO CHEMISTRY DEPARTMENT DIST: AMRELI GUJARAT BY:-ANURAG AGARWAL ROLL NO: XII SCI. 2009-2010 PRINCIPAL INTERNALEXAMINER EXTERNAL EXAMINER CERTIFICATE Certificate This is to certify that this project work is submitted by ANURAG AGARWAL to the Chemistry department‚ Aditya Birla Public School‚ Kovaya was carried out by him under the guidance & supervision during academic year 2008-2009
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Alum Lab Conclusion The purpose of this laboratory was to use two different techniques to attempt to identify the melting point and the mole ratio of hydrated water to anhydrous aluminum‚ potassium‚ and sulfate of AlKSO4. The hypotheses were: if the alum was put in a capillary tube the melting point of alum will be able to be determined; and the water of hydration in alum crystals will be possible to determine if the alum is heated with a Bunsen burner. Results: Part 1: Data Table | Trial
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This experiment is used to perform a series of synthesis reactions that convert aluminum foil to alum. Alum is used in cooking‚ to treat wastewater‚ and is used in common deodorant. In this lab a series of four reactions will occur to yield alum. Calculations: Aluminum foil: 0.5035 grams Alum & Watch Glass: 21.7691 grams Watch Glass: 15.1560 grams Alum: 6.6131 gram Theoretical Yield of Alum: 2Al(s) + 2KOH(aq) + 4H2SO4 + 22H20 -> 3H2(g) + 2KAl(SO4)2 + 12H2O(s) 0.5035gAl x 1molAl/
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AP Chemistry Lab 2: Analysis of Alum Lab Objective: In this lab we will analyze alum by two techniques in order to verify its identity. The melting point and the mole ratio of hydrated water to anhydrous aluminum potassium sulfate will be determined. Lab Procedure: 1. Use a mortar and pestle to crush alum. 2. Pack the alum in capillary tube‚ and then fasten it to the thermometer. 3. Fasten the thermometer to the ring stand. 4. Immerse the bottom of the
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synthesize alum‚ test for various ions in alum‚ and form crystals in aqueous alum solution. The alum was synthesized from aluminum foil and run through a filtration system to isolate the alum. 2 Al(s) + 2 KOH + 22 H2O + 4 H2SO4 → 2 KAl(SO4)2●12H2O(s) + 3 H2(g) Its composition was analyzed using two precipitation tests and two flame tests. Three methods for growing crystals were then set up for observation next lab. Theoretical yield and percent yield: The theoretical yield for alum was 4.55g and
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Department of Education Region III – Central Luzon Division of Tarlac Province SAN ROQUE NATIONAL HIGH SCHOOL Bamban‚ Tarlac S.Y. 2014 – 2015 INVESTIGATORY PROJECT TAWAS USED AS TOOTHPASTE AND MOUTHWASH Chapter 1 *Introduction* • TAWAS or ALUM refers to a chemical compound‚ whose name is often given as potassium aluminum sulfate. • It is a crystalline substance that can be colorless or white. • Filipinos use tawas in doing laundry and in whitening their armpits. This Investigatory
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The purpose of the first part of the experiment was to produce a chemical compound which was the alum crystals by using aluminum‚ potassium hydroxide and sulfuric acid. After the compound was present‚ the purpose of the second part of the experiment was to make sure that the compound that was formed in the first half of the experiment was actually alum. Some of the experimental techniques that were used in this experiment was filtration using the Büchner funnel vacuum filtration‚ recrystallization
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The purpose of the making alum from aluminum lab was to create alum from a series of chemical reactions involving aluminum. Small pieces of an aluminum can were cut and measured before being taken through a series of chemical reactions. This process involved filtering out waste product that was no longer needed in the reaction by using Whatman #4 filter paper and an aspirator. The first reaction that took place was placing aluminum pieces into the strong base NaOH and then heating it. This reaction
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LABORATORY REPORT 4 PREPARATION OF ALUM FROM ALUMINUM METAL Huy Nguyen October 2nd‚ 2012 The objective of the laboratory is to synthesize alum (KAl(SO4)2.xH2O) from aluminum powder and to determine the proportion of water in the alum crystals. Alum is a product from the reaction between potassium hydroxide and sulfuric acid. The reaction include several steps‚ as followed: Aluminum powder reacts with potassium hydroxide to generate Al(OH)4- ions and release hydrogen. 2 Al(s) + 2 KOH(aq)
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