The Solubility Product Constant for Iron(III)hydroxide at 22 °C Is

Multiple Choice

The solubility product constant for iron(III) hydroxide at 22 °C is 6.0 × 10^-38.What mass of this compound will dissolve in 100 mL of 0.20 M aqueous sodium hydroxide,assuming no complex formation?

A) 6 × 10^-39 g
B) 7 × 10^-37 g
C) 8 × 10^-35 g
D) 9 × 10^-33 g
E) 1 × 10^-30 g