Anonymous
Anonymous asked in Science & MathematicsChemistry · 5 months ago

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?

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  • 5 months ago
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    0.143 ppm = 143 ppb

    (0.143 x 10^-6) = 0.000000143 = 0.0000143% by mass

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