Consider the following two reactions. In which reaction does H2PO4 - act as a base? In which does it act as an acid? H2PO4 - (aq) + H2O(l) HPO4 2- (aq) + H3O+(aq)

What term is applied to a scientist who studies ancient life, including animal and plant fossils a. anthropologist b. dendroclimatologist c. geophysicist d. paleontologist

What energy is it when you flip on a switch on a lamp

You wish to prepare a buffer consisting of acetic acid and sodium acetate with a total acetic acetate plus acetate concentration of 250 mm and a ph of 5. what concentrations of acetic acid and sodium acetate should you use