Test Reagents: Silver nitrate‚ AgNO3‚ 0.1 M Ammonia‚ NH3‚ 6 M Nitric acid‚ HNO3‚ 6 M Potassium permanganate‚ KMnO4‚ 0.1 M Mineral oil Sodium hydroxide‚ NaOH‚ 6 M Barium hydroxide‚ Ba(OH)2‚ saturated Barium chloride‚ BaCl2‚ 0.1 M Acetic acid‚ HC2H3O2‚ 6 M Aluminum(s)‚ granules Iron(III) nitrate‚ Fe(NO3)3 0.1 M in nitric acid‚ HNO3‚ 0.6 M To neutralize spills: Baking soda‚ NaHCO3(s) Vinegar‚ HC2H3O2 Equipment Test tubes‚ 6‚ 13- x 100-mm
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NR NR Peach ppt Al2(SO4)3 NR NR Orange ppt KOH NR Carrot Orange ppt MgCl2 Lemon yellow ppt FeCl3 Set #2 KCl MgCl2 Na2SO4 NaOH BaCl2 MgSO4 KCl NR NR NR NR NR MgCl2 NR NR Cloudy ppt NR Na2SO4 NR Cloudy ppt NR NaOH NR NR BaCl2 Cloudy ppt MgSO4 Questions: 1. On the attached sheet 2. A precipitate forms when a solid is made from two reactants combining together. 3. One example
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properties of the compound‚ precipitate tests were performed. Aqueous solutions of the compound‚ each made with 1 mL distilled water and 0.1 g 643p‚ were mixed in test tubes with aqueous solutions of AgNO3(1 mL of 0.1 M)‚ NaCO3(1 g in 1 mL H2O) and BaCl2 (1mL of 0.2 M)to determine the reactivity of the compound 643p with each compound. These tests were also performed on solutions of possible compounds that the 643p could be‚ in the same way‚ to determine which possible compound reacted and did not
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method & liquid phase method to prepare CdS(s). Compare the two ways of preparation and their influence on product separation. Reactions as follows‚ CdSO4+2NaS=CdS+Na2SO4 Chemical reagents: CdSO4(s)‚ Na2S(s)‚ 0.3M HCL(aq)‚ 0.5M CdSO4(aq)‚ 1M BaCl2(aq)‚ widely pH tests strips‚ mortar‚ centrifugal text tube‚ bake oven‚ centrifuge‚ vacuum filtration apparatus‚ etc. Experiment Steps And Phenomena Room temperature solid phase method 1.according to the
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SINGAPORE POLYTECHNIC SCHOOL OF CHEMICAL & LIFE SCIENCES CP 4001: ANALYTICAL & PHYSICAL CHEMISTRY Experiment 4: Gravimetric Analysis Prepared for: Mr Goh Tong Hng Submitted by: Ng Hui Shan (0900931) DBS/FT/1A/02 26th May 2009 CONTENTS 1. Synopsis 3 2. Objectives 4 3. Theory 1. Experimental Procedure 4 2. Stoichiometric Calculation 7 4. Procedure 7 5. Results & calculations 1. Amount of
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beneficial to use in both the Solution and Solubility‚ and Chemical Reactions units. | Materials | distilled water – saturated sodium bicarbonate (NaHCO3) – 20% sodium carbonate solution (Na2CO3) - phenolphthalein indicator – saturated barium chloride (BaCl2) – sodium dichromate crystals – concentrated hydrochloric acid – water glass – wine glass – milk glass – beer mug | Safety | All chemicals must be handled carefully and with respect. The solids and liquids used in this inquiry are safe for you to
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Darsh Patel Dr. Anthony Chem 101-L 20 March 2013 Indirect gravimetric determination of hydrate compound in a mixture Objective To determine the percent BaCL2*2H2O in sample of hydrated mixture. Materials: Aprons‚ goggles Gravimetric balance(electronic weighing scale) Crucible without cover Bunsen burner Lighter flint Iron Support stand Wire mat‚ glove Clay triangle Procedure: Step 1. Support a clean porcelain crucible and its cover on a clay triangle (see Figure 1). Heat them in
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Table 8.1- Combustion of magnesium ribbon Observations Reaction was exothermic; magnesium ribbon burned and was glowing a bright white color when ignited. Reactants: Mg and O2 Products: MgO Balanced chemical equation 2Mg + O2 2MgO Table 8.2- Combustion of heptane Observations When holding test tube inverted over heptane flame‚ condensation formed against top walls of the test tube. When the burning splint was added the walls of the test tube became less foggy from the condensation
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Selective precipitation of the Barium Magnesium Group Chem 112-004 Abstract The purpose of this experiment is to separate and identify the cations of Ba+‚Sr2+‚Ca2+‚ Mg2+ and NH4+ using differences in solubility and confirming test to identify the unknown solution used in this experiment. In this experiment the methodology used by the group is to perform the tests for both the unknown and the cations (Ba+‚Sr2+‚Ca2+‚ Mg2+ and NH4+) using the known as a control for comparison and identification
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CH 125 INORGANIC CHEMISTRY FOR MICROBIOLOGY Laboratory Manual 2013 Edition By Brian Clark‚ Marco Castillo & Patrick Chan CENTENNIAL COLLEGE OF APPLIED ARTS & TECHNOLOGY‚ SCARBOROUGH‚ ONTARIO Preliminary Laboratory Information - CH 125 The following safety information is provided to the student in order to ensure that all students and college staff working in the laboratory are aware of common industrial laboratory safety practices. Laboratory
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