Chemistry, asked by kaushikanushk, 1 year ago

ratio of N-14 and N-15
in a sample of nitrogen is 272 ratio 1 what is the average atomic mass of Nitrogen

Answers

Answered by ISMAILSARWAR
9
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

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