EXP 10 Application of Acid Base Equilibria - Buffers and Titrations

EXP 10 Application of Acid Base Equilibria - Buffers and Titrations

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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: Se Woong Chang Partner's Name: Alec Shull Section: C-3 Date of Experiment Performed: 3/10/2008 Date of Report Prepared: 3/19/2008 Applications of Acid/Base Equilibria - Buffers and Titrations A. Buffers B. Acid/Base Analysis Vinegar Buffer - Standardization Tabulated Data a b DI 4.18 4.72 5.5 Useful Units N/A 5.01 N/A 204.22 4.16 5.55 12.82 60.03 26 26 26 Tabulated Data Trial 1 Trial 2 Trial 3 Vinegar Buffer 0.63 N/A N/A Tabulated Results a b DI 0 N/A N/A 1.445E-10 3.548E-09 6.607E-02 34.9 N/A N/A 0.03 0.03 0.03 0.02 0.83 7.32 Tabulated Results Trial 1 Trial 2 Trial 3 2.780E-07 1.644E-07 3.471E-01 34.9 N/A N/A 3.0702E-03 N/A N/A 3.4900E-03 N/A N/A 8.7972E-02 N/A N/A 8.7972E-02 Supporting Calculation Supporting Calculation 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 04/07/2008 for the course CHEM 1310 taught by Professor Cox during the Spring '08 term at Georgia Institute of Technology.

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EXP 10 Application of Acid Base Equilibria - Buffers and Titrations

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