In what other ways might it be useful to know a sample's half-life?

Between 2014 and 2016, more than 25,000 children in flint, michigan, drank water that was contaminated with lead from lead pipes. during this time, the city claimed the water was safe to drink. which of these actions could the city have taken to ensure that the drinking water was free from lead?

If maltose undergoes hydrolysis what subunits does it results to?

How many moles in .5g of sodium bromide?