38 Quick homemade HCQ (t.me) 🧐 Research Wanted 🤔 posted 3 years ago by 10122046 3 years ago by 10122046 +39 / -1 29 comments share 29 comments share save hide report block hide replies
A penny weighs 2.5g. A 1982 penny contains 52.7% copper mass and 47.3% zinc mass. Therefore, a penny from 1982 contains 1.318g of copper and 1.183g of zinc. Sorry I had to do the math, it was eating me up inside. :)
Pennies from 1983 onward are almost all zinc, almost no copper at all.