Lab Report 8.docx - Experiment 20 pH Titration of Cola Drinks By Pooja Parikh Lab Partners Pratima Sarah Joseph CHEM 1212 Section J-07 TA Yi Cao Honor

Lab Report 8.docx - Experiment 20 pH Titration of Cola...

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Experiment 20 pH Titration of Cola Drinks By: Pooja Parikh Lab Partners: Pratima, Sarah, Joseph 3/13/18 CHEM 1212 Section J-07 TA: Yi Cao Honor Pledge-Freshmen Chemistry Laboratories I did not copy any portion of this work from the work of other students, old lab reports, or unreferenced materials. I understand that such activity is a violation of the Georgia Tech Honor Code. ________________________________________
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Data & Results: A. Standardization of NaOH Table 1. Standardization of NaOH Trial Mass KHP (g) Volume NaOH Solution (mL) [NaOH] (mol/L) 1 0.060 32.10 0.0092 2 0.060 30.00 0.0098 Mean [NaOH] (mol/L) 0.0095 Standard Deviation 0.000424264 B. Titration of Cola Sample Table 2. Initial Parameters of Titration Volume of Cola (mL) 20 Initial pH 2.47 Table 3. Data for Titration of Cola Volume of titrant (mL) pH pH V (ml) pH/ V Avg. V of titrant (mL) 0 2.47 0.00 0.00 0.00 1.02 2.7 0.23 1.02 0.23 0.51 2 2.87 0.17 0.98 0.17 1.51 3 3.31 0.44 1.00 0.44 2.50 4 4.1 0.79 1.00 0.79 3.50 4.25 4.5 0.40 0.25 1.60 4.13 4.5 5.08 0.58 0.25 2.32 4.38 5.1 5.43 0.35 0.60 0.58 4.80 5.5 5.61 0.18 0.40 0.45 5.30 5.9 5.78 0.17 0.40 0.42 5.70 6.5 5.95 0.17 0.60 0.28 6.20 7 6.09 0.14 0.50 0.28 6.75 7.5 6.22 0.13 0.50 0.26 7.25 8 6.35 0.13 0.50 0.26 7.75 8.6 6.46 0.11 0.60 0.18 8.30 9 6.55 0.09 0.40 0.22 8.80
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9.5 6.67 0.12 0.50 0.24 9.25 10 6.75 0.08 0.50 0.16 9.75 10.5 6.86 0.11 0.50 0.22 10.25 11 6.97 0.11 0.50 0.22 10.75 11.5 7.1 0.13 0.50 0.26 11.25 12 7.22 0.12 0.50 0.24 11.75 12.5 7.37 0.15 0.50 0.30 12.25 13 7.54 0.17 0.50 0.34 12.75 13.5 7.84 0.30 0.50 0.60 13.25 14 8.13 0.29 0.50 0.58 13.75 14.5 8.45 0.32 0.50 0.64 14.25 15 8.74 0.29 0.50 0.58 14.75 15.5 8.93 0.19 0.50 0.38 15.25 16 9.09 0.16 0.50 0.32 15.75 16.5 9.22 0.13 0.50 0.26 16.25 17 9.31 0.09 0.50 0.18 16.75 18 9.47 0.16 1.00 0.16 17.50 19 9.6 0.13 1.00 0.13 18.50 20 9.7 0.10 1.00 0.10 19.50 21 9.78 0.08
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