How does paint from car keep it from rusting?

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?

In this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced?

What substance has a mass of 9.5g and volume of 2.1cm^3