Your IR spectrum for your ethyl acetate sample, with labels for the major peaks (wavenumber value and corresponding bond) (2) Briefly comment on the purity of your ethyl acetate sample, according to the IR spectrum. Is it pure, or is it contaminated with dibenzoylethylene? Cite the presence/absence of absorbances in the
R
that would indicate the presence/absence of trans-1,2-dibenzoylethylene.