A water sample is found to have a density of 0.998g/mL and contain 0.143 ppm of lead.?
What is the concentration of lead ppb?
What is the concentration of lead in mass percent?
- Roger the MoleLv 75 months agoFavorite Answer
0.143 ppm = 143 ppb
(0.143 x 10^-6) = 0.000000143 = 0.0000143% by mass
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