Titration Data (Standardization of EDTA) Example II Mass, g Caco, 0.0250 0.0251 0.0246 0.0254 Final reading, ml 25.00 24.91 24.87 25.31 Initial Reading, ml. 0.00 0.02 0.02 0.02 Volume, ml EDTA 25.00 Molarity of EDTA, M 0.009992 B. Analysis Data Example 25.00 Volume of Sample, mL 24.90 25.10 25.0 Final reading, mL 27.46 25.08 25.06 24.99 Initial Reading, mL 0.00 0.02 0.02 0.02 Volume of EDTA, mL 27.46 Molarity of EDTA, M 0.009992 Ca" concentration, ppm 440

Fundamentals Of Analytical Chemistry
9th Edition
ISBN:9781285640686
Author:Skoog
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Chapter22: Bulk Electrolysis: Electrogravimetry And Coulometry
Section: Chapter Questions
Problem 22.33QAP
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DATA AND RESULTS:
Titration Data (Standardization of EDTA)
Example
II
Mass, g Caco,
0.0250
0.0251
0.0246
0.0254
Final reading, mL
25.00
24.91
24.87
25.31
Initial Reading, mL
0.00
0.02
0.02
0.02
Volume, mL EDTA
25.00
Molarity of EDTA, M
0.009992
B. Analysis Data
Example
II
Volume of Sample, mL
25.00
24.90
25.10
25.0
Final reading, mL
27.46
25.08
25.06
24.99
Initial Reading, mL
0.00
0.02
0.02
0.02
Volume of EDTA, mL
27.46
Molarity of EDTA, M
0.009992
Ca" concentration, ppm
440
STATISTICAL EVALUATION OF RESULTS
Standardization of EDTA
Mean, M EDTA
Median, M EDTA
Standard Deviation
Ci for u at 95% Prob. Level
Reported value: M EDTA
Ca" Concentration
Mean, Ca" ppm
Median, Ca" ppm
Standard deviation
Cl for u at 95% Prob. Level
Reported value: Ca" ppm
Transcribed Image Text:DATA AND RESULTS: Titration Data (Standardization of EDTA) Example II Mass, g Caco, 0.0250 0.0251 0.0246 0.0254 Final reading, mL 25.00 24.91 24.87 25.31 Initial Reading, mL 0.00 0.02 0.02 0.02 Volume, mL EDTA 25.00 Molarity of EDTA, M 0.009992 B. Analysis Data Example II Volume of Sample, mL 25.00 24.90 25.10 25.0 Final reading, mL 27.46 25.08 25.06 24.99 Initial Reading, mL 0.00 0.02 0.02 0.02 Volume of EDTA, mL 27.46 Molarity of EDTA, M 0.009992 Ca" concentration, ppm 440 STATISTICAL EVALUATION OF RESULTS Standardization of EDTA Mean, M EDTA Median, M EDTA Standard Deviation Ci for u at 95% Prob. Level Reported value: M EDTA Ca" Concentration Mean, Ca" ppm Median, Ca" ppm Standard deviation Cl for u at 95% Prob. Level Reported value: Ca" ppm
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