chmisitry lab questions
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these are chemistry lab questions

chmisitry lab questions
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Running head: Mineral composition of pre and post 1982 pennies

Mineral composition of pre and post 1982 pennies:
Name:
Institution affiliation:
Date:

1

Mineral composition of pre and post 1982 pennies

2

Q1) Has the composition of copper and zinc in the pennies made before 1982 and those
made after 1982 remained the same?
Q2) The composition of copper and zinc in pennies made before 1982 and does made
after 1982 is...

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