Mathematics, 26.08.2021 21:20 barnettboy76

A 200 mg sample of white powder is collected at a crime scene. If extraction and GCMS quantitation shows that 80% of the sample is present as cocaine in the extracted sample, how much cocaine was present in the original sample

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A 200 mg sample of white powder is collected at a crime scene. If extraction and GCMS quantitation s...

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