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The Following Pictures Represent Solutions of CaCO3,which May Also Contain

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The following pictures represent solutions of CaCO3,which may also contain ions other than Ca2+ and CO32- which are not shown.Gray spheres represent Ca2+ ions and unshaded spheres represent CO32- ions. The following pictures represent solutions of CaCO<sub>3</sub>,which may also contain ions other than Ca<sup>2+</sup> and CO<sub>3</sub><sup>2-</sup> which are not shown.Gray spheres represent Ca<sup>2+</sup> ions and unshaded spheres represent CO<sub>3</sub><sup>2-</sup> ions.   -If solution (1) is a saturated solution of CaCO<sub>3</sub>,which of solutions (1) -(4) represents the solution after a small amount of K<sub>2</sub>CO<sub>3</sub> is added and equilibrium is restored? A) (1)  B) (2)  C) (3)  D) (4)
-If solution (1) is a saturated solution of CaCO3,which of solutions (1) -(4) represents the solution after a small amount of K2CO3 is added and equilibrium is restored?


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