KALIUMDIWATERSTOFORTHOFOSFAATOPLOSSING, 0,1 M : BRENG 13,6 G KALIUMDIWATERSTOFORTHOFOSFAAT ( 4.2 ) IN EEN MAATKOLF EN LOS OP IN 1 000 ML WATER .
POTASSIUM DIHYROGENORTHOPHOSPHATE SOLUTION ( 0,1 M ): WEIGH 13,6 G OF POTASSIUM DIHYDROGENORTHOPHOSPHATE ( 4.2 ) AND DISSOLVE IN 1 000 ML OF WATER IN A GRADUATED FLASK .