Mathematics, 09.09.2020 08:01 raishagibson
How much sodium thiosulfate would you need to lower the free chlorine from 18 ppm to 2.0 ppm in a 150,000-gallon pool?
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Point r divides in the ratio 1 : 5. if the coordinates of e and f are (4, 8) and (11, 4), respectively, what are the coordinates of r to two decimal places?
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How much sodium thiosulfate would you need to lower the free chlorine from 18 ppm to 2.0 ppm in a 15...
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