Nitrogen is made up of 99,632%^14N and 0.368%N the atomic mass of15N

Chemistry
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is 15.000amu what is the average atomic mass of nitrigen?

13,007amu

14,003 amu

14,006 amu

14,000amu

Sep 26th, 2015

Thank you for the opportunity to help you with your question!

The average atomic mass of nitrigen is : 14,006 amu 

because  : (.99632 x 14.003) + (.00368 x 15) = 14.0066  

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Sep 26th, 2015

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