Density of pennies lab report - PC\|MAC

Hypothesis: The pre-1982 pennies are made out of zinc. The post-1982 pennies are made of lead. Data. Pre-1982 Pennies volume (ml) mass (g) 1.5 10.52 2 14.13 3 20.97 4.5 33.52 5.5 38.89 Post 1982 pennies. ... Density of pennies lab report ... ................
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