means of precipitation of the corresponding sulphides. Is there a pH range in which one of the two metals is precipitated quantitatively (concentration in the solution less than or equal to 10" mol/L) is precipitated while the other is still completely_in solution? Calculate and name this pH range where pH values below 0 are set equal to O. Illustrate the situation graphically by drawing
means of precipitation of the corresponding sulphides. Is there a pH range in which one of the two metals is precipitated quantitatively (concentration in the solution less than or equal to 10" mol/L) is precipitated while the other is still completely_in solution? Calculate and name this pH range where pH values below 0 are set equal to O. Illustrate the situation graphically by drawing
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter17: Electrochemistry And Its Applications
Section: Chapter Questions
Problem 101QRT
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Question
You want to separate Cd2* and Fe2+ (initial concentration 103 mol/L) by means of
precipitation of the corresponding sulphides. Is there
a pH range in which one of the two metals is precipitated quantitatively
(concentration in the solution less than or equal to 10" mol/L) is precipitated
while the other is still completely_in solution?
Calculate and name this pH range where pH values below 0
are set equal to O. Illustrate the situation graphically by drawing
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