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A 0.012 mol sample of Na2SO4 is added to 600mL of each of two solutions. One solution contains 2.5 x 10^-3 M BaCl2; the other contains 2.5 x10^-3 M CaCl2. (Ksp for BaSO4= 1.5 x 10^-9; Ksp for CaSO4 =6.1 x10^-5). Calculate to determine which one, CaSO4 or BaSO4, will form precipitate.

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