Use the Ideal Gas Law in the form n=PV/RT. Remember to change all units to correspon to the values for the gas constant. R=0.0821 L*atm/mol*K. Show your work. mm Hg equiv for water column 1.23 mm Hg. P total inside buret 746. P H2O at obs. temp 19.83 mm Hg. P H2 inside buret 726 mm Hg