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Calculate the concentration of Cl- ions in each of the standard solutions made. Plot a calibration graph of molar conductance versus [CI-] 1/2. Identify the working range of the instrument, the limiting molar conductivity and the value of the constant K from Kohlrausch's law. Measure the conductance of the unknown solutions and hence [NaCl] /M 0.1 (101) [NAC]/ppm 5,850 Conductivity/μs Potential/mV 8610 -32.3 0.01 (10-2) 585 928 20.5 0.001 (10-3) 58.5 102.4 76.9 0.0001 (104) 5.85 14.02 133.3 0.00001 (10-5) 0.585 3.2 172.9 0.000001 (10-6) 0.0585 2.32 181.9 Unknown A 449 26.3 Unknown B 45.4 89.9

Calculate the concentration of Cl- ions in each of the standard solutions made. Plot a calibration graph of molar conductance versus [CI-] 1/2. Identify the working range of the instrument, the limiting molar conductivity and the value of the constant K from Kohlrausch's law. Measure the conductance of the unknown solutions and hence [NaCl] /M 0.1 (101) [NAC]/ppm 5,850 Conductivity/μs Potential/mV 8610 -32.3 0.01 (10-2) 585 928 20.5 0.001 (10-3) 58.5 102.4 76.9 0.0001 (104) 5.85 14.02 133.3 0.00001 (10-5) 0.585 3.2 172.9 0.000001 (10-6) 0.0585 2.32 181.9 Unknown A 449 26.3 Unknown B 45.4 89.9

Fundamentals Of Analytical Chemistry
Fundamentals Of Analytical Chemistry
9th Edition
ISBN:9781285640686
Author:Skoog
Publisher:Skoog
Chapter10: Effect Of Electrolytes On Chemical Equilibria
Section: Chapter Questions
Problem 10.8QAP
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Calculate the concentration of Cl- ions in each of the standard solutions made. Plot a calibration graph of molar conductance versus [CI-] 1/2. Identify the working range of the instrument, the limiting molar conductivity and the value of the constant K from Kohlrausch's law. Measure the conductance of the unknown solutions and hence [NaCl] /M 0.1 (101) [NAC]/ppm 5,850 Conductivity/μs Potential/mV 8610 -32.3 0.01 (10-2) 585 928 20.5 0.001 (10-3) 58.5 102.4 76.9 0.0001 (104) 5.85 14.02 133.3 0.00001 (10-5) 0.585 3.2 172.9 0.000001 (10-6) 0.0585 2.32 181.9 Unknown A 449 26.3 Unknown B 45.4 89.9
Transcribed Image Text:Calculate the concentration of Cl- ions in each of the standard solutions made. Plot a calibration graph of molar conductance versus [CI-] 1/2. Identify the working range of the instrument, the limiting molar conductivity and the value of the constant K from Kohlrausch's law. Measure the conductance of the unknown solutions and hence [NaCl] /M 0.1 (101) [NAC]/ppm 5,850 Conductivity/μs Potential/mV 8610 -32.3 0.01 (10-2) 585 928 20.5 0.001 (10-3) 58.5 102.4 76.9 0.0001 (104) 5.85 14.02 133.3 0.00001 (10-5) 0.585 3.2 172.9 0.000001 (10-6) 0.0585 2.32 181.9 Unknown A 449 26.3 Unknown B 45.4 89.9
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