Tara Titration

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

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

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 ...
View Full Document

Ask a homework question - tutors are online