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EquilibriumMCQ

To a solution that is 0.010 M each in fluoride, sulfite, and phosphate ions is added dropwise a 1.00 — Equilibrium Chemistry Question

Question

To a solution that is 0.010 M each in fluoride, sulfite, and phosphate ions is added dropwise a 1.00 M solution of CaCl2. In what order will the solids precipitate?

A.

First Ca3(PO4)2, then CaF2, last CaSO3

B.

First Ca3(PO4)2, then CaSO3, last CaF2

✓ Correct
C.

First CaSO3, then CaF2, last Ca3(PO4)2

D.

First CaF2, then CaSO3, last Ca3(PO4)2

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