lab de fisicoquímica preinforme 4, Esquemas y mapas conceptuales de Fisicoquímica

¡Descarga lab de fisicoquímica preinforme 4 y más Esquemas y mapas conceptuales en PDF de Fisicoquímica solo en Docsity! DETERMINATION OF TRANSPORT NUMBERS BY THE HITTORF METHOD. Perform assembly, Insert electrodes Hittorf and level apparatus electrolyte Fill compartments with HNO3 0.1 M Weigh and fix Cu electrodes Immerse in H¿S04/CUSO4 Connect the entire system Turn on equipment and timer simultaneously Perform electrolysis tor (90-120) min Interrupt flow between anode and cathode Measure volume of each Tritrate with NaOH 0,1 M Wash Cu electrodes, air dry and weigh  NaOH Titration with Potassium Biphthalate Use phenolphthalein Solution of NaOH titrated, tritate against HNOz