Question

chemistry

An element has two isotopes having mass 60 and 61 with percentage occurrence
65 and 35 respectively then average isotopic mass will be

1) 60.5
2) 60.65
3) 60.35
4) 60.8

please solve this........​

Answer 1

Answer:

3) 60.35 is correct answer. hope this will help you out

Answer 2

Answer:

welcome and your name..