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October 2, 2014

Homework Help: science

Posted by Arthur on Tuesday, August 18, 2009 at 10:53pm.

'Copper' pennies actually contain very little copper. If a penny contains 91.768 % of its total volume zinc and 8.232 % of its total volume copper, what is its density? (d of Cu = 8.95 g/cm3; d of Zn = 7.14 g/cm3.)

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