A 1.000-L sample of polluted water was analyzed for lead(II) ion, Pb2 , by adding an excess of sodium sulfate to it. The mass of lead(II) sulfate that precipitated was 251.6 mg. What is the mass of lead in a liter of the water

Consider the equilibrium system: 2icl(s) ⇄ i2(s) + cl2(g) which of the following changes will increase the total amount of of cl2 that can be produced? all of the listed answers are correct decreasing the volume of the container removing the cl2 as it is formed adding more icl(s) removing some of the i2(s)

Which of these conditions most likely produces an unstable isotope?

Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt