Gallium has an atomic mass of 69.723 u. The abundance of Ga-69 (68.926 u) is 60.11%. What is the atomic mass, in u, of the other isotope?
A) 70.92 u
B) 70.93 u
C) 70.94 u
D) 70.91 u
E) 70.930 u

Question

Quizplus · Accepted Answer

The Answer of Gallium has an atomic mass of 69.723 u. The abundance of Ga-69 (68.926 u) is 60.11%. What is the atomic mass, in u, of the other isotope?
A) 70.92 u
B) 70.93 u
C) 70.94 u
D) 70.91 u
E) 70.930 u

Gallium Has an Atomic Mass of 69