6. A student titrates 3 samples of KHP. The experimental data collected is shown below. Titration # KHP (g) | Vfinal (mL) | Vinitial (mL) | Vtotal NaOH (mL) 1 0.7415 22.05 1.55 20.50 2 0.7115 40.80 22.05 1.35 18.75 3 0.7273 21.03 19.68 a) What is the molarity of NaOH using the data from titration 1? Show all steps in calculation. b) What is the molarity of NaOH using the data from Titration 2? Show all steps in the calculation. c) What is the molarity of NaOH using the data from Titration 3? Show all steps in the calculation.
6. A student titrates 3 samples of KHP. The experimental data collected is shown below. Titration # KHP (g) | Vfinal (mL) | Vinitial (mL) | Vtotal NaOH (mL) 1 0.7415 22.05 1.55 20.50 2 0.7115 40.80 22.05 1.35 18.75 3 0.7273 21.03 19.68 a) What is the molarity of NaOH using the data from titration 1? Show all steps in calculation. b) What is the molarity of NaOH using the data from Titration 2? Show all steps in the calculation. c) What is the molarity of NaOH using the data from Titration 3? Show all steps in the calculation.
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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Need help with 6a-6e
Transcribed Image Text:6. A student titrates 3 samples of KHP. The experimental data collected is shown
below.
Titration #
KHP (g) | Vfinal (mL) | Vinitial (mL) | Vtotal NaOH (mL)
1
0.7415
22.05
1.55
20.50
2
0.7115
40.80
22.05
18.75
0.7273
21.03
1.35
19.68
a) What is the molarity of NaOH using the data from titration 1? Show all steps in
calculation.
b) What is the molarity of NaOH using the data from Titration 2? Show all steps in
the calculation.
c) What is the molarity of NaOH using the data from Titration 3? Show all steps in
the calculation.
d) What is the average molarity?
Transcribed Image Text:e) What is the relative standard deviation of the molarities? Show all steps in the
calculation.
7. Is the data within the precision standard?
8. Should the student perform more titrations?
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