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what is the concentration in ppm of a 37 l solution d 100 gml containing 421x10 4g of the pesticide ddt a 0114 ppm b 114 ppm c 114 ppm d 114 ppm 85453
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SOLVED:The units of parts per million (ppm) and parts per billion (ppb) are commonly used by environmental chemists. In general, 1 ppm means 1 part of solute for every 10^6 parts of solution. (Both solute and solution are measured using the same units.) Mathematically, by mass: ppm=(μg solute )/(g solution )=(mg solute )/(kg solution ) In the case of very dilute aqueous solutions, a concentration of 1.0 ppm is equal to 1.0 μg of solute per 1.0 mL of solution, which equals 1.0 g of solution.
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