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The Following Pictures Represent Solutions at Various Points in the Titration

question 188

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The following pictures represent solutions at various points in the titration of a weak acid HA with aqueous KOH.Unshaded spheres represent H atoms,black spheres represent oxygen atoms,and shaded spheres represent A- ions.(K+,H3O+ initially present,OH- initially present and solvent water molecules have been omitted for clarity) . The following pictures represent solutions at various points in the titration of a weak acid HA with aqueous KOH.Unshaded spheres represent H atoms,black spheres represent oxygen atoms,and shaded spheres represent A<sup>-</sup> ions.(K<sup>+</sup>,H<sub>3</sub>O<sup>+</sup> initially present,OH<sup>-</sup> initially present and solvent water molecules have been omitted for clarity) .   -Which picture represents the solution at the equivalence point? A) (1)  B) (2)  C) (3)  D) (4)
-Which picture represents the solution at the equivalence point?


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