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Q: What Does Elements per Million Imply? Answer: Pieces per million, or ppm, is a ratio of the number of units of a certain compound to one million units of the whole mass or volume. It is a unit of measurement commonly employed to precise the focus of substances. https://homework-help06511.ampedpages.com/5-simple-statements-about-can-someone-take-my-homework-explained-51148129


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