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

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Chapter15: Equilibria Of Other Reaction Classes
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Problem 40E: A volume of 0.800 L of a 2104 -M Ba(NO3)2 solution is added to 0.200 L of 5104M Li2SO4. Does BaSO4...
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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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