The police have made a drug bust and confiscated a large quantity of suspected cocaine. The police bring a sample to you, a forensic chemist, for analysis. The chemical formula of cocaine is C17H21NO4. After analyzing the mystery compound you find that it is 67.296% carbon, 6.991% hydrogen, 4.618% nitrogen, and 21.095% oxygen. You also find that it has a molar mass of 303.35 g/mol. (A) Calculate the mystery compound’s empirical formula.

(B) What is the compound’s molecular formula?

(C) Based on your analysis, would you testify that the mystery compound is cocaine?