Research About Pennies

I took 12 pennies and then divided those pennies up into 4 equal groups and then I created three solutions for my project which are: A toothpaste solution, bleach solution vinegar and salt solution, and vinegar/baking soda solution My hypothesis is that the salt and vinegar solution is going to win because vinegar is a liquid that is produced from the fermentation of ethanol into acetic acid . vinegar consists of acetic acid(CH3COOH, water and trace amounts of other chemicals which may include flavorings. The concentration of the acetic acid is variable. Distilled vinegar contains 5-8% of acetic acid. Which means the chemicals will clean better plus the salt which is seasonings , an essential nutrient, but also very important preservative. …show more content…
Another fantastic reason is because sometimes I couldn't see the president on the coin because of the dirt The reason why I wanted to study cleaning pennies is because I like shiny coins especially pennies . Instead of the old dirty, rust, and nasty pennies I wanted to figure out which solution will make the pennies be cleaner and shinier than they were out of bleach solution salt and vinegar solution, toothpaste solution, and vinegar/ baking soda solution.As you might know Pennies are made from Benjamin Franklin because he had a thought to bring the penny to america even though most people in America call it penny the real expression is actually “one-cent” piece. The expression “penny” came from the british and they call their penny