Each of the following reactions shows a solute dissolved in water. Classify each solute as strong electrolyte, weak electrolyte, or nonelectrolyte.
A(l)--- >A(aq)
BC(aq)<>B+(aq)+C-(aq)
DE(aq)---> D+(aq)+E-(aq)
XY(s)--->X+(aq)+Y-(aq)
Z(s)--->Z(aq)