postlab10ann - Application of Acid/Base Equilibria -...

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Application of Acid/Base Equilibria - Buffers and Titrations Excel Template Chem1310 Laboratory Copyright (c) 2003-2007 Tatsuya Maehigashi Chem1310 Margin Name: Ann Dysart Partner's Name: Kyle Section: Chem 1310L1 Date of Experiment Performed: 11/2/2007 Date of Report Prepared: 11/9/2007 Applications of Acid/Base Equilibria - Buffers and Titrations A. Buffers B. Acid/Base Analysis Vinegar Buffer - Standardization Tabulated Data a b DI 5.05 4.57 5.5 Useful Units 4.99 204.22 5.20 12.55 13.16 60.03 30.00 30.00 30.00 Tabulated Data Trial 1 Trial 2 Trial 3 Vinegar Buffer 0.68 0.67 Tabulated Results a b DI 0.00 3.50 0.01 0.01 0.01 3.50 6.85 0.030 0.030 0.030 0.15 7.98 7.66 Tabulated Results Trial 1 Trial 2 Trial 3 1.111 0.021 0.022 3.50 3.35 3.34E-03 3.30E-03 3.50E-04 3.35E-04 0.100 0.100 0.100 Supporting Calculation Supporting Calculation B. Acid/Base Analysis (contd) pH initial pH initial, adjusted KHP Potassium acid phthalate (g/mol) pH final, 5 ml 1M NaOH added CH 3 COOH Acetic acid (g/mol) Vol. total , buffer + NaOH (ml) Mass KHP (g) Initial buret reading NaOH (ml) moles OH - added Final buret reading NaOH (ml) Vol.
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This note was uploaded on 04/20/2008 for the course CHEM 1310 taught by Professor Cox during the Fall '08 term at Georgia Institute of Technology.

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postlab10ann - Application of Acid/Base Equilibria -...

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