A solution of Na₂C₂O4 is added dropwise to a solution that is 0.0213 M in Cd²+ and 0.0285 M in Agt.The Ksp of CdC2₂04 is 1.42e-08.The Ksp of Ag₂C₂O4 is 5.4e-12.(a) What concentration of C₂O4²- is necessary to begin precipitation? (Neglect volume changes.)[C₂04²-] = M.(b) Which cation precipitates first?Cd²+ Ag+(c) What is the concentration of C₂04² when the second cation begins to precipitate?[C₂04²-] = M.

Answer:When ionic product of a sparingly soluble compound becomes equal to its solubility product…

A solution of Na₂C₂O4 is added dropwise to a solution that is 0.0213 M in Cd²+ and 0.0285 M in Ag¹. The Ksp of CdC₂O4 is 1.42e-08. The Ksp of Ag₂C₂O4 is 5.4e-12. (a) What concentration of C₂04² is necessary to begin precipitation? (Neglect volume changes.) [C₂04²-] = M. (b) Which cation precipitates first? Cd²+ Ag+ (c) What is the concentration of C₂04² when the second cation begins to precipitate? [C₂04²-] = M.

A solution of Na₂C₂O4 is added dropwise to a solution that is 0.0213 M in Cd²+ and 0.0285 M in Ag¹. The Ksp of CdC₂O4 is 1.42e-08. The Ksp of Ag₂C₂O4 is 5.4e-12. (a) What concentration of C₂04² is necessary to begin precipitation? (Neglect volume changes.) [C₂04²-] = M. (b) Which cation precipitates first? Cd²+ Ag+ (c) What is the concentration of C₂04² when the second cation begins to precipitate? [C₂04²-] = M.

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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Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.

Question

A solution of Na₂C₂O4 is added dropwise to a solution that is 0.0213 M in Cd²+ and 0.0285 M in Agt.
The Ksp of CdC2₂04 is 1.42e-08.
The Ksp of Ag₂C₂O4 is 5.4e-12.
(a) What concentration of C₂O4²- is necessary to begin precipitation? (Neglect volume changes.)
[C₂04²-] = M.
(b) Which cation precipitates first?
Cd²+ Ag+
(c) What is the concentration of C₂04² when the second cation begins to precipitate?
[C₂04²-] = M.

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