6_KHP_Acid-Base Report

6_KHP_Acid-Base Report - with this report • Enter the...

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Lab Report -- Volumetric Determination of KHP (part one) Name: Unknown #: Date: Standardization of NaOH Solution Trial # Mass of KHP used Titration Volume (mL of NaOH) Molarity of NaOH Solution 1 2 3 4 Average = Standard Deviation = Results -- Analysis of KHP Unknown Trial # Mass of Unknown Titration Volume (mL of NaOH) Weight Percent of KHP 1 2 3 4 Average = Standard Deviation = Calculations Standardization of NaOH solution for Trial #1 Weight Percent KHP for Trial # 1
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Lab Report -- Volumetric Determination of KHP (part two) Name: Team #: Date: Preparation of Standard KHP Solution (for standardization of teammate's NaOH) Mass of KHP used (to prepare 250 mL of solution) = Molarity of KHP solution = Standardization of Teammate's NaOH Solutions Teammate's Last Name Trial # Titration Volume (mL of NaOH) Molarity of NaOH Solution 1 2 1 2 1 2 Results -- Analysis of Teammate's KHP Unknowns Teammate's Last Name Mass of Unknown Titration Volume (mL of NaOH) Weight Percent of KHP Spreadsheet Analysis Use the blank Excel template provided and submit the "xls" file electronically along
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Unformatted text preview: with this report. • Enter the results of the NaOH standardizations, including both your own data and that provided by your teammates. • Enter the results of the unknown KHP analyses, including both your own data and that provided by your teammates. • For each set of data, use the built-in Excel functions to determine the average value, the standard deviation, and the relative standard deviation. Conclusions • Briefly discuss below how your own results for the NaOH standardization and the KHP analysis compare to those provided by your teammates. • Perform a Grubbs Test (see Harris, Chapter 4.4) on the most questionable data point in one of the series (either NaOH or KHP data) to determine if the point may be safely discarded. Show an appropriate calculation. Additional Comments and/or Suggestions for Improving the Experiment...
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6_KHP_Acid-Base Report - with this report • Enter the...

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