AHERNANDE1384GO AHERNANDE1384GO Chemistry Answered Someone help, I don't understand this please. Calculate the average atomic mass of magnesium, given the data in the table below. Show your work. Magnesium - 24 / Mass 23.9850 / Percent Abundance 78.99% Magnesium - 25 / Mass 24.9859 / Percent Abundance 10.00% Magnesium - 25 / Mass 25.9825 / Percent Abundance 11.01%