seer's Law Practice A soil contaminated with lead, weighing 1.2354mg was dissolved in a 25mL volumetric flask and diluted to the mark. The solution was analyzed but proved to be too concentrated, so a further dilution was made by taking a 10mL aliquot, placing it into a 50mL volumetric flask and diluting to the mark. This unknown was then analyzed for lead using a 10.0cm cell. The results are compiled into the table below