211k views
5 votes
Plz help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

What is the atomic weight of a hypothetical element consisting of two isotopes, one with mass = 64.23 amu (26.0%), and one with mass = 65.32 amu?
(a) 65.3 amu
(b) 64.4 amu
(c) 64.9 amu
(d) 65.0 amu
(e) 64.8 amu

User Farlan
by
7.3k points

1 Answer

2 votes
I think it should be A or D.
User SanjeevRm
by
7.4k points