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Posted by on Wednesday, November 30, 2011 at 11:36am.

a pure copper penny contains appoximatel 3.0 x 10 to the 22 copper atoms. use the definitions in the previous problem to determine how many______of copper atoms are in a penny.

  • chemistry - , Wednesday, November 30, 2011 at 12:47pm

    I don't understand the question. Perhaps it would help if I knew the nature of the previous problem to which this post refers.

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