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J Ravi Kiran Grade: 11
        

The asolute abundance ratio of N14/N15 in atmospheric nitrogen found to be 272.  Calculate atomic weight of atomespheric Nitrogen?

7 years ago

Answers : (1)

askiitian.expert- chandra sekhar
10 Points
										

Hi kiran,


N14/N15=272/1


let a sample contains 1 atom of N15 then it contains 272 N14 atoms...


Atomic weight= (272*14 + 1* 15)/273


At. Wt.=14.0037

7 years ago
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