Part A. Enter an equation to show how HPO42− can act as an acid with H2O acting as a base. Part B. Enter an equation to show how HPO42− can act as a base with H2O acting as an acid.

High-pressure liquid chromatography (hplc) is a method used in chemistry and biochemistry to purify chemical substances. the pressures used in this procedure range from around 500 kilopascals (500,000 pa) to about 60,000 kpa (60,000,000 pa). it is often convenient to know the pressure in torr. if an hplc procedure is running at a pressure of 1.03×108 pa , what is its running pressure in torr?