Calculate the pH of a solution that is 0.0060 M in HCIO4 and 0.0060 M in HCN. K, of HCN is 6.2 X 10-10​

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?

Is powdered sports drink ionic or covalent ? 10pts !

Water is initially present in a state where its molecules are far apart. during a change of state, its molecules slow down. which change of state has most likely taken place? from a gas to a liquid from a liquid to a gas from a solid to a liquid from a gas to a plasma