Question

Describe an experiment you could perform to determine whether Pb2+ had leached into water drawn from plumbing in which lead was used to solder to join copper pipes.

Answer 1

To determine whether Pb2+ had leached into water drawn from plumbing in which lead was used to solder to join copper pipes simply add Na2SO4 solution and check for precipitate.As we know that lead Sulfate is highly insoluble.