Question
A modern penny weighs $2.5 \mathrm{~g}$ but contains only $0.063 \mathrm{~g}$ of copper (Cu). How many copper atoms are present in a modern penny?
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- The problem states that a modern penny contains \(0.063 \, \text{g}\) of copper. Show more…
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A modern penny weighs 2.5 g but contains only 0.063 g copper (Cu). How many atoms are present in a modern penny?
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