Question

Mass and Percent Abundance of Different Isotopes of Element A
Isotope Mass of the Isotope (amu) % Abundance
A-32 31.6800 83.04
A-33 32.6700 0.5000
A-34 33.6600 0.07000
A-37 36.6300 16.39

Answer 1

@Abmon98

Answer 2

Multiply each % to its mass

Answer 3

then add them up

Answer 4

afterwards divide the result by 100

Answer 5

\((31.6800 \times 83.04)+(32.6700 \times 0.5000)+\)
\((33.6600\times 0.07000)+(36.6300 \times 16.39)\) = get the answer
your answer/100= the final answer you want