Indicate what happens to the concentration of pb2+ in each cell. indicate what happens to the concentration of in each cell. the left half-cell will increase in concentration; and the right half-cell will increase in concentration. the left half-cell will decrease in concentration; and the right half-cell will increase in concentration. the left half-cell will increase in concentration; and the right half-cell will decrease in concentration. the left half-cell will decrease in concentration; and the right half-cell will decrease in concentration.