A solution of Na3PO4 is added dropwise to a solution that is 0.0194 M in Ca2+ and 5.86e-05 M in Al3+.The Ksp of Ca3(PO4)2 is 2.07e-33.The Ksp of AlPO4 is 9.84e-21.(a) What concentration of PO43- is necessary to begin precipitation? (Neglect volume changes.)[PO43-] = M.(b) Which cation precipitates first?Ca2+Al3+ (c) What is the concentration of PO43- when the second cation begins to precipitate?[PO43-] = M.

Given data :- Concentration of Ca2+ = 0.0194 M Concentration of Al3+ = 5.86 x 10-5M The Ksp of…

Answered: A solution of Na3PO4 is added dropwise…

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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A solution of Na₃PO₄ is added dropwise to a solution that is 0.0194 M in Ca²⁺ and 5.86e-05 M in Al³⁺.

The K_sp of Ca₃(PO₄)₂ is 2.07e-33.
The K_sp of AlPO₄ is 9.84e-21.

(a) What concentration of PO₄^3- is necessary to begin precipitation? (Neglect volume changes.)

[PO₄^3-] = M.

(b) Which cation precipitates first?

Ca²⁺Al³⁺

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