kikirogers52971 kikirogers52971 18-06-2024 Physics Answered Find the average atomic mass for X if 19.9% of X atoms are 10X with a mass of 12.0324371 amu and 80.1% are 11X with a mass of 15.01274 amu.a) 23 amub) 12.3 amuc) 14.4 amud) 35.45 amu