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At what molarity will 0.100 M Ca2+ begin to precipitate out of a solution of KAl(SO4)2?(Ksp of CaSO4=2.4x10-5)   2.4x10-4M KAl(SO4)2   4.9x10-3M KAl(SO4)2   2.4x10-3M KAl(SO4)2   1.2x10-4 M KAl(SO4)2

At what molarity will 0.100 M Ca2+ begin to precipitate out of a solution of KAl(SO4)2?(Ksp of CaSO4=2.4x10-5)   2.4x10-4M KAl(SO4)2   4.9x10-3M KAl(SO4)2   2.4x10-3M KAl(SO4)2   1.2x10-4 M KAl(SO4)2

Chemistry
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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At what molarity will 0.100 M Ca2+ begin to precipitate out of a solution of KAl(SO4)2?(Ksp of CaSO4=2.4x10-5)

  2.4x10-4M KAl(SO4)2
  4.9x10-3M KAl(SO4)2
  2.4x10-3M KAl(SO4)2
  1.2x10-4 M KAl(SO4)2
Expert Solution
Step 1

Given : Concentration of Ca2+ ions = 0.100 M

And Ksp of CaSO4 = 2.4 X 10-5 

The solubility reaction of CaSO4 can be written as,

=> CaSO4 (s) --------> Ca2+ (aq) + SO42- (aq)                                       Ksp = 2.4 X 10-5 

 

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