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CBSE Class 11-science Answered

What is the concentration of barium and sulfate ions in a saturated barium sulfate solution at 25°C?
Asked by Topperlearning User | 16 Jun, 2016, 05:26: PM
answered-by-expert Expert Answer
Ksp = [Ba2+][SO42-] = 1.1 x 10-10
  In this reaction,
                     BaSO4(s) <---> Ba2+(aq) + SO42-(aq)
 
[Ba2+] = [SO42-]
So we can substitute one concentration for the other!
 [Ba2+][Ba2+]=[Ba2+] 2 = 1.1 x 10-10
 [Ba2+] = 1.05 x 10-5
Answered by | 16 Jun, 2016, 07:26: PM

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