Engineering, 11.11.2020 17:50, Leggett8152

A mysterious white powder found at a crime scene is analyzed and found to contain 66.9 / -0.5% carbon by mass. One of the investigators hypothesizes that the substance is cocaine, C17H21NO4. What is the percent carbon, by mass, in cocaine?

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A mysterious white powder found at a crime scene is analyzed and found to contain 66.9 / -0.5% carbo...