fosumavis897 fosumavis897 16-05-2023 Chemistry contestada a Sample of naturally occuring silicon consist 29si(amu=27.9769),29si(amu=28.9765) and 30si(amu=29.9738).if atomic mass of silicon is 28.0855 and the natural abundances of 29si is 4.67%,what 28si and 30si?