The Determination of Copper in Pennies By: Brooke Carmack Abstract: The percent composition of copper was analyzed for both pre and post 1982 pennies. This was determined by iodometric titration analysis. 1.0 Introduction: In this experiment, two pennies were analyzed. One of the pennies was pre-1982 while the other was post 1982. This was performed due to the change in the amount of copper used for pennies after 1982. Pennies before 1982 were made to contain 95% copper and […]
