AcidBaseBuffers

AcidBaseBuffers - Test Tube pH B0 4.22 B1 0.97 B2 11.93...

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Name: Jenny Yoon Date performed: 3/25/08 Partner: Adam Potts Date submitted: 4/1/08 Acid-Base Buffers Objectives: To determine the ionization constant of acetic acid To study the properties of acid-base buffers Experimental Data Part A: Solution pH M A 2.02 1.00 B 2.14 0.500 C 2.32 0.200 D 2.45 0.100 E 2.42 0.050 pH of buffer: 6.59 Part B: Test Tube pH A0 4.22 A1 3.33 A2 4.99
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Unformatted text preview: Test Tube pH B0 4.22 B1 0.97 B2 11.93 Test Tube pH C0 4.23 C1 0.85 C2 12.05 Sample Calculations: [H + ] = 10 (-pH) 10 (-2.00) = 0.0072 K a = x 2 / M- x (.0096) 2 / (1.00 0.0096) = 9.3 x 10-5 Results and Conclusions Part A: Solution K a A 9.3 x 10-5 B 4.68 x 10-5 C 1.18 x 10-4 D 1.26 x 10-4 E 1.95 x 10-4...
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This note was uploaded on 03/31/2008 for the course CHEM 1045 taught by Professor Pgamateis during the Spring '08 term at Virginia Tech.

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AcidBaseBuffers - Test Tube pH B0 4.22 B1 0.97 B2 11.93...

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