Question #6464994Single Choice

Chemistry

Question

If an element has three isotopes with masses of 25.0 amu, 27.0 amu, and 29.0 amu, and their natural abundances are 20%, 50%, and 30% respectively, what is the average atomic mass of the element?

Options

A
26.0 amu
B
26.5 amu
C
27.2 amu
D
27.5 amu

Answer & Analysis