Question

PLEASE HELP: Calculate the average atomic mass of the following elements given the information below (show work): Hydrogen, which has three isotopes, H-1 (abundance 99.98%), H-2 (abundance 0.01%), and H-3 (abundance 0.01%) thank you!

Answer 1

99.98%=0.9998
0.01%=0.0001
=(1)(0.9998)+2(0.0001)+3(0.0001)
=1.0003