Respuesta :

Let x be mol/l of Sn(OH)2 that dissolve 
Therefore, this will give x mol/l Sn2+ and 2x mol/l OH-
Ksp= (Sn2+)(OH-)^2 
      = (x)(2x)^2
      = 4x^3
4x^3 = 5.45 × 10^-27
      x = 1.11 × 10^-9
x = molar solubility = 1.11×10^-9 M





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