Chemistry, 22.11.2019 08:31 RealGibbon857
Ahydrologist from a government agency tests several samples of water for safety. as part of his examinations, he determines the concentration of lead that is present in each sample.
which method of expressing concentration should the hydrologist use to describe the concentration of lead in the water?
a) ppm or ppb
b) volume percent
c) mass-volume percent
d) mass percent
Answers: 1
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