The following diagrams represent solutions of three salts NaX (X = A, B, or C). (a) Which...

The following diagrams represent solutions of three salts NaX (X = A, B, or C). (a) Which X− has the weakest conjugate acid? (b) Arrange the three X− anions in order of decreasing base strength. The Na+ ion and water molecules have been omitted for clarity.