If iron(III) acetate is added to be 1 × 10-10 M in an aqueous solution that is 0.10 M NH3, what is Qsp and will Fe(OH)3 precipitate? The Ksp of Fe(OH)3(s) is 4 × 10-38 and Kb for NH3 is 1.8 × 10-5.
◦ 1.3 × 10-13, yes
◦ 1.7 × 10-16, yes
◦ 1.7 × 10-16, no
◦ 2.4 × 10-19, yes
◦ 2.4 × 10-19, no