Table A: Standard NaCl used to make primary standard solutionMass of weighing bottle + NaC1 (g)21.8720Mass of weighing bottle after transfer (g)21.772Mass of NaCl used in solution (g)0.6948Purity of NaCl (%)100.03Table A: unknow used to make primary standard solutionMass of weighing bottle + unknow (g)16.8777Mass of weighing bottle after transfer (g)16.20010Mass of unknow used in solution (g)0.6776Purity of unknow (%)Table C: Titration of 25.00 mL aliquots of NaCl with AGNO3Trial 1Trial 2Trial 3Final Burette Reading (mL)28.2924.7925.11Initial Burette Reading (mL)4.991.491.69Volume Added (mL)23.3023.3023.42Table C: Titration of 25.00 mL aliquots of unknow with AGNO3Trial 1Trial 2Trial 3Final Burette Reading (mL)Initial Burette Reading (mL)23.9922.4526.912.891.255.61Volume Added (mL)21.1021.2021.30 Standard Sodium ChlorideWeighed mass of NaCIg in 250.0 mLPurity of NaCIMolar concentration of NaCl using weighed mass and purity =mol L-Titrations of standard NacI (25.00 mL aliquots) with the provided AGNO;Volume of AGN0, required (mL)Precise Titration #12Mean volume AgNO,mLMedian volume AGNO,mLStandard deviation in the mean titration volumemLConfidence limit for the titration volumemLRelative confidence limit for the titration volume (standardization) =pptConcentration of AGNO, from mean titration volumemol L-3.

Concentration of solution refers to amount of solute present in a given amount of solution or…

Mean volume AgNO, Median volume AgNO, Standard deviation in the mean titration volume Confidence limit for the titration volume Relative confidence limit for the titration volume (standardization) - Concentration of AgNO, from mean titration volume mL ml. mL mL ppt mol L

Mean volume AgNO, Median volume AgNO, Standard deviation in the mean titration volume Confidence limit for the titration volume Relative confidence limit for the titration volume (standardization) - Concentration of AgNO, from mean titration volume mL ml. mL mL ppt mol L

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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Question

Table A: Standard NaCl used to make primary standard solution
Mass of weighing bottle + NaC1 (g)
21.8720
Mass of weighing bottle after transfer (g)
21.772
Mass of NaCl used in solution (g)
0.6948
Purity of NaCl (%)
100.03
Table A: unknow used to make primary standard solution
Mass of weighing bottle + unknow (g)
16.8777
Mass of weighing bottle after transfer (g)
16.20010
Mass of unknow used in solution (g)
0.6776
Purity of unknow (%)
Table C: Titration of 25.00 mL aliquots of NaCl with AGNO3
Trial 1
Trial 2
Trial 3
Final Burette Reading (mL)
28.29
24.79
25.11
Initial Burette Reading (mL)
4.99
1.49
1.69
Volume Added (mL)
23.30
23.30
23.42
Table C: Titration of 25.00 mL aliquots of unknow with AGNO3
Trial 1
Trial 2
Trial 3
Final Burette Reading (mL)
Initial Burette Reading (mL)
23.99
22.45
26.91
2.89
1.25
5.61
Volume Added (mL)
21.10
21.20
21.30

Standard Sodium Chloride
Weighed mass of NaCI
g in 250.0 mL
Purity of NaCI
Molar concentration of NaCl using weighed mass and purity =
mol L-
Titrations of standard NacI (25.00 mL aliquots) with the provided AGNO;
Volume of AGN0, required (mL)
Precise Titration #
1
2
Mean volume AgNO,
mL
Median volume AGNO,
mL
Standard deviation in the mean titration volume
mL
Confidence limit for the titration volume
mL
Relative confidence limit for the titration volume (standardization) =
ppt
Concentration of AGNO, from mean titration volume
mol L-
3.

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