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Unformatted text preview: Name: Briana Tran Section: BC ID Number: 1129589 Lab Partner: Victoria Saykally Total Points = 60 pts (5 pts notebook, 55 pts template) Notebook Pages: Your notebook pages wil be graded for general organization and completeness (Can your TA easily find and read the data he/she is looking for?) PURPOSE AND METHOD I: Standardization of NaOH using KHP Run #1 Run #2 Run #3 Mass of KHP 0.314 g Mass of KHP 0.341 g Mass of KHP 0.328 g Molar Mass, KHP 204 g/mole Molar Mass, KHP 204 g/mole Molar Mass, KHP 204 g/mole Moles KHP 0.00154 mol Moles KHP 0.00167 mol Moles KHP 0.00161 mol Initial buret reading 0.800 mL Initial buret reading 0.350 mL Initial buret reading 0.350 mL Final buret reading 16.4 mL Final buret reading 16.8 mL Final buret reading 15.7 mL mL Titrated 15.6 mL mL Titrated 16.5 mL mL Titrated 16.4 mL L Titrated 0.0156 L L Titrated 0.0165 L L Titrated 0.0164 L [NaOH] 0.0986 M [NaOH] 0.102 M [NaOH] 0.0982 M Average [NaOH] 0.0994 M Standard Deviation 0.00209 6 points Run #1 Run #2 Run #3 Initial buret reading 0.750 mL Initial buret reading 0.600 mL Initial buret reading 0.670 mL Final buret reading 22.7 mL Final buret reading 22.6 mL Final buret reading 22.5 mL mL NaOH Titrated 22.0 mL mL NaOH Titrated 22.0 mL mL NaOH Titrated 21.8 mL L NaOH Titrated 0.0220 L L NaOH Titrated 0.0220 L L NaOH Titrated 0.0218 L Moles NaOH 0.00219mol Moles NaOH 0.00219mol Moles NaOH 0.00217 mol mL of acetic acid 20.0 mL mL of acetic acid 20.0 mL mL of acetic acid 20.0 mL L of acetic acid 0.0200 L L of acetic acid 0.0200 L L of acetic acid 0.0200 L [acetic acid] 0.109M [acetic acid] 0.109M [acetic acid] 0.108 M Volume of acetic Average [acetic acid] 0.109M acid titrated: 20.020....
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This note was uploaded on 02/12/2012 for the course CHEM 152 taught by Professor Chiu during the Winter '08 term at University of Washington.
- Winter '08