Question

if a sample of element y contains 90% of 12y, 80% of 13y and 2% of y. show the relative atomic mass of y is 12.12​

Answer 1

It might be the the chlorophyll mixed with copper sulphate

Answer 2

if a sample of element y contains 90% of 12y, 80%

Explanation:

of 13y and 2% of y. show the relative atomic massof y is 12.12