Question

The following pictures represent solutions that contain a weak acid HA (pKa = 5.0) and its potassium salt KA. 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.)

Which picture represents the equilibrium state of the solution after addition of one H3O+ ion to the solution shown in picture (1)?
A) (2)
B) (3)
C) (4)
D) (5)

Answer

This answer is hidden. It contains 1 characters.