A solution of Na₂CO3 is added dropwise to a solution that is 0.0424 M in Nd³+ and 4.27e-09 M in Hg2²+. The Ksp of Nd₂(CO3)3 is 1.08e-33. The Ksp of Hg₂CO3 is 3.6e-17. (a) What concentration of CO3²- is necessary to begin precipitation? (Neglect volume changes.) [CO3²-] = M. (b) Which cation precipitates first? Nd³+Hg₂²+ 2+ (c) What is the concentration of CO3²- when the second cation begins to precipitate? [CO3²-] = M.

A solution of Na₂CO3 is added dropwise to a solution that is 0.0424 M in Nd³+ and 4.27e-09 M in Hg2²+. The Ksp of Nd₂(CO3)3 is 1.08e-33. The Ksp of Hg₂CO3 is 3.6e-17. (a) What concentration of CO3²- is necessary to begin precipitation? (Neglect volume changes.) [CO3²-] = M. (b) Which cation precipitates first? Nd³+Hg₂²+ 2+ (c) What is the concentration of CO3²- when the second cation begins to precipitate? [CO3²-] = 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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Question

A solution of Na2CO3 is added
dropwise to a solution that is 0.0424 M
in Nd³+ and 4.27e-09 M in Hg₂²+.
The Ksp of Nd₂(CO3)3 is 1.08e-33.
The Ksp of Hg₂CO3 is 3.6e-17.
(a) What concentration of CO3²- is
necessary to begin precipitation?
(Neglect volume changes.)
[CO3²-] = M.
(b) Which cation precipitates first?
Nd³+Hg₂²+
2+
(c) What is the concentration of CO3²-
when the second cation begins to
precipitate?
[CO3²-] = M.

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