A Simple Oxidation-Reduction Experiment Oxidntmn-reduction (redoxi experiments relate a myriad of fundamental chemical ecmeepu to the beginning science studenr. T h e f o l l o n i n ~redox lab, whwh ir simply and ecunomirnlly periwmed with zinc, lpnd ncetafe, and copper sulfnre. hns heen used todrrn, lead 8Wli1le F U ~ U I ~~V1~0 ml 0 of 1 M I while into a copper sulfate rolutiun (100 ml oi 1 .MI isset n we-weighed linc bar t l emdinmeter X 1 0 r m J .Lend ~ l s t ~ s u ntherinc tu rather rapidly (-20 m!i) and i t is isolated by caref"lly washing with water and then acetone. After scraping t h e lead from t h e remaining zinc, both are weiehed a n d a c o m ~ a r i s o nis made between their molar ratios. Studmrq monitor the disappearance of copper ions not only hy the visual formation of copper metal. but also by the decreasing ~nren.;itsof blur n h r assoeint~dwit h the w p p e r sulfatc aolorion. T h e cvpper isolnrion procedure (after - I hr) is ~drnticalro that wed LI- the lead renrrion. Successful ~ P F I ~ .
