Police officers confiscate a packet of white powder that they believe contains heroin. Purification by a forensic chemist yields a 35.20mg sample for airproof combustion analysis. The sample gives 88.65mg of CO2 and 18.93mg of H2O.Asecond sample is analyzed for nitrogen content, which is 3.8%. What is the empirical formula of the compound? List the elements in standard order for carbon compounds: C followed by H followed by other elements in increasing atomic number. Formula