Explanation:
\({\rm{Element}}\,\,\,\,\,\,\,\,\,\,{\rm{Mass}}\,\,\,\,\,\,\,\,\,\,{\rm{Moles}}\)
\(\,\,\,\,\,\,\,\,\,{\rm{I}}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\rm{254}}\,\,\,\,\,\,\,\,\,\,\,\,\,\frac{{{\rm{254}}}}{{{\rm{127}}}}{\rm{ = 2}}\)
\(\,\,\,\,\,\,\,\,{\rm{O}}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\rm{80}}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\frac{{{\rm{80}}}}{{{\rm{16}}}}{\rm{ = 5}}\)
