Principles of Instrumental Analysis
7th Edition
ISBN: 9781305577213
Author: Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher: Cengage Learning
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Chapter 23, Problem 23.3QAP
Interpretation Introduction
Interpretation:
The average temperature coefficients in the range of
Concept introduction:
Potentiometric titration are the simple titration that is used to measure the concentration of the sample. No indicator is required in these titrations.
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A conductivity cell filled with a 0.01 M KCl solution was found to have a resistance of 189 ohms at 25oC. When filled with 0.01 M HCl solution, the cell gave a resistance of 64.8 ohms at the same temperature. At 25oC, the conductivity of 0.01 M KCl solution was 1.4088 x 10-3 S cm-1.
Calculate (a) the cell constant and (b) the conductivity of the HCl solution.
answer is [0.266; 4.105 x 10-3]
please explain. thank you!
Please show a clear picture of the spreadsheet /excel file of the data including the equations used in excel.
When the difference in pH across the membrane of a glass electrode at 25C is 4.63 pH units, how much voltage is generated by the pH gradient? Assume that the constant in Equation 15-6 is 1.00.
Chapter 23 Solutions
Principles of Instrumental Analysis
Ch. 23 - Prob. 23.1QAPCh. 23 - Prob. 23.2QAPCh. 23 - Prob. 23.3QAPCh. 23 - Prob. 23.4QAPCh. 23 - Prob. 23.5QAPCh. 23 - Prob. 23.6QAPCh. 23 - Prob. 23.7QAPCh. 23 - Prob. 23.8QAPCh. 23 - Prob. 23.9QAPCh. 23 - List the advantages and disadvantages of a...
Ch. 23 - Prob. 23.11QAPCh. 23 - What arc the advantages of microfabricated ISEs?...Ch. 23 - Prob. 23.13QAPCh. 23 - Prob. 23.14QAPCh. 23 - Prob. 23.15QAPCh. 23 - The following cell was used for the determination...Ch. 23 - The following cell was used to determine the pSO4...Ch. 23 - The formation constant for the mercury(II) acetate...Ch. 23 - Prob. 23.19QAPCh. 23 - The cell Ag|AgCl(sat’d)||H+(a = x)|glass electrode...Ch. 23 - The following cell was found to have a potential...Ch. 23 - The following cell was found to have a potential...Ch. 23 - The following cell was found to have a potential...Ch. 23 - Prob. 23.24QAPCh. 23 - Prob. 23.25QAPCh. 23 - Prob. 23.26QAPCh. 23 - Prob. 23.27QAP
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- A platinum electrode is immersed into a solution of 10 mol m-3 KNO3 and poised at -1 V. (1) Sketch how the concentration of potassium ions, [K+], change as a function of distance, x, from the electrode surface. (Calculate the extent to which the electrical double layer protrudes from the electrode surface, assuming a water solvent (\epsi r = 78.1) at 25 deg C Iarrow_forwardDiscuss design features of Standard Hydrogen Electrode (SHE). Using suitable diagram explain how SHE can be used to measure the standard potential of copper (Cu) electrode.arrow_forwardExplain the significance of the standard hydrogen electrode (SHE) in the tabulation of standard reduction potentials of other species.arrow_forward
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