A sample of naturally occurring silicon consists Si−28(amu=27.9769), Si−29(amu=28.9765) and Si−30(amu=29.9738). If the atomic mass of silicon is 28.0855 and the natural abundance of Si−29 is 4.67%, what are the natural abundance of Si−28 and Si−30?

Constants 1 Periodic Table v Part A Silicon has three naturally occurring isotopes Si-28 with mass 27 9769 amu and a natural abundance of 9221 % Si-29 with mass 2B 9765 arran and a natural abundance of 4 69 %, and Si-30 with mass 299737 amu and a natural abundance of 310%. Calculate the atomic mass of silicon Express your answer using four significant figures. Atomic Mass = aniu Submit