Respuesta :

Solubility product constants are values to describe the saturation of ionic compounds with low solubility. It is represented by Ksp and is the product of the concentration of the dissolved ions to the power of its stoichiometric coefficient. We do as follows:

Be(OH)2 = Be2+ + 2OH-

Ksp = [Be2+][OH-]^2
6.92 × 10^-22 = x(2x)^2
x = 5.57x10^-8 mol /L

[Be(OH)2] = x = 5.57x10^-8 mol /L = 2.397x10^-6 g/L

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