Standardization of a sodium hydroxide (NAOH) solution against potassium hydrogen phthalate (KHP) yielded the following results: Mass of KHP, g 0.7987 Volume of NaOH, mL 38.29 0.8365 38.96 0.8104 38.51 38.29 0.8039 MM KHP: 204.22 MM NaOH: 40.00 a. Calculate the mean molar concentration of sodium hydroxide. (First, compute the concentration of NaOH in each titration then compute for its mean/average value.) b. Calculate the standard deviation. Please provide solutions for your answers. If you have used your calculator for calculating for mean and standard deviation, you can just provide the formula with the values indicated.
Standardization of a sodium hydroxide (NAOH) solution against potassium hydrogen phthalate (KHP) yielded the following results: Mass of KHP, g 0.7987 Volume of NaOH, mL 38.29 0.8365 38.96 0.8104 38.51 38.29 0.8039 MM KHP: 204.22 MM NaOH: 40.00 a. Calculate the mean molar concentration of sodium hydroxide. (First, compute the concentration of NaOH in each titration then compute for its mean/average value.) b. Calculate the standard deviation. Please provide solutions for your answers. If you have used your calculator for calculating for mean and standard deviation, you can just provide the formula with the values indicated.
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:Standardization of a sodium hydroxide (NaOH) solution against potassium hydrogen
phthalate (KHP) yielded the following results:
Mass of KHP, g
Volume of NaOH, mL
0.7987
38.29
0.8365
38.96
0.8104
38.51
0.8039
38.29
MM KHP: 204.22
MM NaOH: 40.00
a. Calculate the mean molar concentration of sodium hydroxide. (First, compute the
concentration of NAOH in each titration then compute for its mean/average value.)
b. Calculate the standard deviation.
Please provide solutions for your answers. If you have used your calculator for
calculating for mean and standard deviation, you can just provide the formula with the
values indicated.
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