The Ksp for Cr(OH)3 is 1.6 × 10–30. The molar solubility of this compound in water is
1.6 × 10–30/27
$\sqrt[2]{1.6 \times 10^{–30}}$
$\sqrt[4]{1.6 \times 10^{–30}}$
$\sqrt[4]{1.6 \times 10^{–30} / \ 27}$
The Ksp for Cr(OH)3 is 1.6 × 10–30. The molar solubility of this compound in water is