Pepper- 2.89
A&W Root Beer- 4.75
How does soda corrode pennies? The acids such as phosphoric acid in some soda eats away at the copper oxide when it gets together in the cup which is basically cleaning the pennies and making them go shiny again. You will not see an immediate reaction but it is working over time and should take five days to complete the process. In conclusion, this page has talked about what PH is, what are the different PH’s of soda, what is a corrosive substance, and how does soda corrode pennies. These are all great things to know when doing this project. The hypothesis stated was; if the soda does corrode the pennies it will take 5 days or less to fully corrode back to its shiny state. The question stated in this was; how does soda corrode pennies? And that is how soda corrodes