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Based on the solubility rules, which of the following will occur if solutions of CuSO4(aq) and BaCl2(aq) are mixed?

A) CuCl2 will precipitate; Ba2+ and SO42- are spectator ions.

B) CuSO4 will precipitate; Ba2+ and Cl- are spectator ions.

C) BaSO4 will precipitate; Cu2+ and Cl- are spectator ions.

D) BaCl2 will precipitate; Cu2+ and SO42- are spectator ions.

E) No precipitate will form.

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