The average atomic mass of a sample of an element X is 16.2 u. What ar

1.	The average atomic mass of a sample of an element X is 16.2 u. What are the percentages15X and 13 X in the sample?
Answer» ANSWER: Hey mate following is YU rr ans nice QUE follow me and pls thank ok average amu is 16.2u and there different MASS of the unique isotope is 15 and 13 let %of i) isotope is x and ii)be 100-x put up in formula as in following IMAGE

The average atomic mass of a sample of an element X is 16.2 u. What are the percentages15X and 13 X in the sample?

Answer»

nice QUE follow me and pls thank

average amu is 16.2u

and there different MASS of the unique isotope

is 15 and 13

let %of i) isotope is x and ii)be 100-x

put up in formula as in following IMAGE