Principles of Instrumental Analysis
7th Edition
ISBN:9781305577213
Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Chapter24: Coulometry
Section: Chapter Questions
Problem 24.3QAP
Related questions
Question
Please help me with exercise 3 thank u!
![1:16 AM Fri Dec 4
A 45%
Done
Exercise 3
The transference numbers of the ions in a 1.00 M KCl solution was determined by
means of the moving boundary method, using a 0.40 M BaCl2 solution as the
indicator solution. When a current of 0.0142 A was passed through the cell for
1675 s, the boundary swept through a volume of 0.1205 cm³.
Calculate the transference number of the K* ions.
[0.49]
The Hittorf method involves conducting an electrolysis in a cell with three separate
compartments: an anode compartment, a
compartment, as illustrated below. An illustration of the Hittorf cell is also shown below.
cathode compartment and a central
11
At
A+
At
X-
cathode
anode
compartment
compartment
Х> Х +е
A* + e → A
central
aportr ment](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3b2f971d-c96d-44ea-9f0d-b9ca7f2c4f55%2F66af80cd-4d73-41c2-ae9f-b1179de2335c%2Fcs6qch_processed.png&w=3840&q=75)
Transcribed Image Text:1:16 AM Fri Dec 4
A 45%
Done
Exercise 3
The transference numbers of the ions in a 1.00 M KCl solution was determined by
means of the moving boundary method, using a 0.40 M BaCl2 solution as the
indicator solution. When a current of 0.0142 A was passed through the cell for
1675 s, the boundary swept through a volume of 0.1205 cm³.
Calculate the transference number of the K* ions.
[0.49]
The Hittorf method involves conducting an electrolysis in a cell with three separate
compartments: an anode compartment, a
compartment, as illustrated below. An illustration of the Hittorf cell is also shown below.
cathode compartment and a central
11
At
A+
At
X-
cathode
anode
compartment
compartment
Х> Х +е
A* + e → A
central
aportr ment
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