CHE102 Exp 18 Flow Chart

CHE102 Exp 18 Flow Chart - CHE 102 Exp. 18 Flow Chart...

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CHE 102 Julianne Stiene Exp. 18 Flow Chart March 4, 2008 Experiment 18 A. Determining pH with Indicator solutions 1. Acids, bases, and hydrolysis Record the colors of the indicator solution at various pH values that are provided in the laboratory Use as references for all use of indicator solutions in this experiment. Determine the pH of .10 M solution of each of the following: Acetic acid Aluminum chloride Ammonium chloride Aqueous ammonia Boric acid Borax Citric acid Hydrochloric acid Sodium acetate Sodium carbonate Sodium hydrogen carbonate Sodium hydroxide In a clean test tube, pour approximately 1 mL of the solution to be tested Add 1 drop of neutral red indicator solution. Mix and determine if the pH is greater than 8 (amber color) or less than 6.8 (red color) If so add, to a different 1 mL sample of the solution, 1 drop of Thymol Blue indicator solution. If pH appears to be greater than 10, add 1 drop Alizarin Yellow R indicator solution to a new 1mL
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CHE102 Exp 18 Flow Chart - CHE 102 Exp. 18 Flow Chart...

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