When 100 mL each of 2.0 × 10-4 M Ca2+(aq) and 2.0 × 10-2 M F-(aq) are mixed, what is the remaining Ca2+(aq) ion concentration and is precipitation complete? The solubility product constant of CaF2(s) is 5.3 × 10-9.
◦ 5.6 × 10-4 M, no
◦ 1.7 × 10-8 M, yes
◦ 4.3 × 10-7 M, no
◦ 1.7 × 10-6 M, yes
◦ 5.3 × 10-5 M, no