Post a New Question

chemistry

posted by .

Before 1982 the US Mint cast penny coins from a copper and zinc mixture. If a 1980 penny weighs 3.051g and contains 0.153g zinc, what is the percent of copper in the coins?

  • chemistry -

    See your post above.

Answer This Question

First Name
School Subject
Your Answer

Related Questions

More Related Questions

Post a New Question