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Chemistry, 04.07.2019 12:00 gbrightwell

The element carbon (c) has two common isotopes. 98.89% of carbon atoms have 6 neutrons and 6 protons, whereas the other 1.11% has 7 neutrons and 6 protons. using the isotopic composition provided, calculate the average atomic mass of carbon. round your answer to the tenths place.

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The element carbon (c) has two common isotopes. 98.89% of carbon atoms have 6 neutrons and 6 protons...
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