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OpenStudy (anonymous):
Express the concentration of a 0.0280 M aqueous solution of fluoride, F–, in mass percentage and in parts per million. Assume the density of the solution is 1.00 g/mL.
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OpenStudy (australopithecus):
ppm = mg/kg Mass percentage = Mass of substance/mL of Solution
OpenStudy (australopithecus):
oh add a *100 in that mass percentage
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