35. A 2.505 g penny is known to be 2.5% copper. The two naturally-occuring isotopes of copper are copper-63 and copper-65, with copper-63 having the higher percent natural abundance of 69.17%. How many atoms of copper-65 are in this penny? Note that NA 6.022 x 1023.

Chemistry: Matter and Change
1st Edition
ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Chapter4: The Structure Of The Atom
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35. A 2.505 g penny is known to be 2.5% copper. The two naturally-occuring isotopes of
copper are copper-63 and copper-65, with copper-63 having the higher percent natural
abundance of 69.17%. How many atoms of copper-65 are in this penny? Note that
NA 6.022 x 1023.
Transcribed Image Text:35. A 2.505 g penny is known to be 2.5% copper. The two naturally-occuring isotopes of copper are copper-63 and copper-65, with copper-63 having the higher percent natural abundance of 69.17%. How many atoms of copper-65 are in this penny? Note that NA 6.022 x 1023.
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