A solution of Na₂CO3 is added dropwise to a solution that is 0.0494 M in Y³+ and 0.144 M in Cd²+.The Ksp of Y₂(CO3)3 is 1.03e-31.The Ksp of CdCO3 is 1e-12.(a) What concentration of CO3²- is necessary to begin precipitation? (Neglect volume changes.)[CO3²-] = 3.48e-10X M.(b) Which cation precipitates first?O y³+Cd²+(c) What is the concentration of CO3² when the second cation begins to precipitate?[CO3²-] = 6.9e-12X M.

[Y3+ ] = 0.0494 M [Cd2+] = 0.144 M

A solution of Na₂CO3 is added dropwise to a solution that is 0.0494 M in Y3+ and 0.144 M in Cd²+. The Ksp of Y₂(CO3)3 is 1.03e-31. The Ksp of CdCO3 is 1e-12. (a) What concentration of CO32- is necessary to begin precipitation? (Neglect volume changes.) [CO3²-] = 3.48e-10 * M.

A solution of Na₂CO3 is added dropwise to a solution that is 0.0494 M in Y3+ and 0.144 M in Cd²+. The Ksp of Y₂(CO3)3 is 1.03e-31. The Ksp of CdCO3 is 1e-12. (a) What concentration of CO32- is necessary to begin precipitation? (Neglect volume changes.) [CO3²-] = 3.48e-10 * M.

Chemistry

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ISBN:9781305957404

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Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

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Question

A solution of Na₂CO3 is added dropwise to a solution that is 0.0494 M in Y³+ and 0.144 M in Cd²+.
The Ksp of Y₂(CO3)3 is 1.03e-31.
The Ksp of CdCO3 is 1e-12.
(a) What concentration of CO3²- is necessary to begin precipitation? (Neglect volume changes.)
[CO3²-] = 3.48e-10
X M.
(b) Which cation precipitates first?
O y³+
Cd²+
(c) What is the concentration of CO3² when the second cation begins to precipitate?
[CO3²-] = 6.9e-12
X M.

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