a) Answer:
Solubility product (Ksp) is the equilibrium constant between the solid and the Ions of the dissolved solid in the solution.
Based on this if the Ksp value is more, Its solubility is also more.
Hf(OH)4 : Ksp = 4.0 x 10-26
In the given series of hydroxides, Its Ksp value is less. Hence its solubility is less.
b) Answer:
In the NaOH is also Hf(OH)4 solubility is less.
The solubility products for a series of hydroxides are BiOOH K_sp = 4.0 times 10^-10 =...
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