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Tara Titration - NaOH Volume(ml pH reading V(ave Vm(ave dpH...

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Unformatted text preview: NaOH Volume (ml) pH reading V (ave) Vm (ave) dpH 0 1.55 Vm Vd 2 1.6 1 4 1.65 3 2 6 1.73 5 4 8 1.87 7 6 10 2.12 9 8 12 2.84 11 10 12.1 2.95 12.05 11.53 12.2 3.08 12.15 12.1 12.6 3.33 12.4 12.28 13 8.4 12.8 12.6 13.4 10.32 13.2 13 13.8 10.62 13.6 13.4 14.2 10.81 14 13.8 14.4 10.86 14.3 14.15 14.6 10.92 14.5 14.4 14.8 10.97 14.7 14.6 15 11.01 14.9 14.8 15.2 11.05 15.1 15 15.4 11.07 15.3 15.2 15.6 11.11 15.5 15.4 15.8 11.13 15.7 15.6 16 11.16 15.9 15.8 16.2 11.19 16.1 16 Vm(i)=Vi+V(i+l)/2 1st derv. 2nd derv. d^2 pH 0.05 0.05 0.08 0.14 0.25 0.72 0.11 0.13 0.25 5.07 1.92 0.3 0.19 0.05 0.06 0.05 0.04 0.04 0.02 0.04 0.02 0.03 0.03 0 0.03 0.06 0.11 0.47 ­0.61 0.02 0.12 4.82 ­3.15 ­1.62 ­0.11 ­0.14 0.01 ­0.01 ­0.01 0 ­0.02 0.02 ­0.02 0.01 0 dV 2 2 2 2 2 2 0.1 0.1 0.4 0.4 0.4 0.4 0.4 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 dV^2 0 0 0 0 0 ­1.9 0 0.3 0 0 0 0 ­0.2 0 0 0 0 0 0 0 0 0 Second Derivative 80000000000000 60000000000000 40000000000000 d^2pH 20000000000000 0 -20000000000000 -3 dV^2 pH -2 -1 0 1 12 10 8 6 4 2 Volume v. pH d^2pH 20000000000000 0 -20000000000000 -3 dV^2 -2 -1 0 1 12 10 8 pH 6 4 2 0 0 2 4 6 8 10 12 14 16 18 Volume (ml) Volume v. pH First Derivative 14 12 10 8 dpH 6 4 2 0 0 2 4 6 8 dV 10 12 14 16 18 dpH/dV D1 0.03 0.02 0.04 0.07 0.13 0.36 1.1 1.3 0.63 12.68 4.8 0.75 0.48 0.25 0.3 0.25 0.2 0.2 0.1 0.2 0.1 0.15 0.15 d^2pH/dV^2 D2 0 0 0 0 0 0.32 0 0.4 0 0 0 ### 0.7 ### ### ### 0 ### ### ### ### 0 ...
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This note was uploaded on 03/01/2009 for the course CHEM Chem2b taught by Professor Toupkadakis during the Spring '09 term at UC Davis.

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