Chemistry
shames
13

Using the atomic masses and relative abundance of the isotopes of nitrogen given below, determine the average atomic mass of nitrogen. N-14: 14.003 amu; 99.63% N-15: 15.000 amu; 0.37% A)14.003 amu B)14.007 amu C)14.506 amu D)15.000 amu

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(1) Answers
abbynatali

amm= (%×mass1 +%×mass2)/100 just put the known values (99.63×14.003+0.37×15)/100 =14.007

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