Chemical Formulations for Buffering Water pH, Inhibiting Corrosion of Ferrous and Non-Ferrous Metals, in Open and Closed Water Systems, for Scavenging Oxygen from Boiler Feed Water, for Preventing Fouling and Scale Formation in Open and Closed Water Systems, for Chelating Calcium and Magnesium Ions; for Buffering pH of Closed Water Systems; for Preventing Fouling in Process Equipment, and for Foam Control in Aqueous and Nonaqueous Systems