Question

Calculate the atomic weight (in amu) of an element (X) given the following data: : 24.000 amu at 0.7870 fractional abundance : 26.000 amu at 0.1017 fractional abundance : 25.000 amu at 0.1113 fractional abundance

Answer 1

24.000(fraction) + 25.000(fraction) + 26.000(fraction) = ?