Penicillin, the first of a now large number of antibiotics, was discovered accidentally by the Scottish bacteriologist Alexander Fleming in 1928 but we never able to isolate it as a pure compound. This and similar antibiotics have save millions of lives that would otherwise have been lost of infections. Penicillin F has a formula which contains 14 carbons atoms, 20 hydrogen atoms,2 nitrogen atom,1 sulfur atom and 4 oxygen atoms. compute the mass percent of each elements.[C=12,N=14,H=1,S=32,O=16].
