Question

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%

Answer 1

24.984466667

Step-by-step explanation:

add all mass values and divide by amount (3)