hydrogenchloride in water addn. of 12 M HCl; extn. with Et2O, addn. of H2O, dessication;

in neat (no solvent) Kinetics; react. of H2-D2 over PMo12 at 573 K; initial pressures of H2: 12 Torr, D2 20 Torr; detn. of pressure decrease; evolved water detd. volumetrically;