If there are 2.0 mg of Pb+2 ions in 1.0 L of water, what is the concentration of lead in ppm? a. 200 ppm b. 20. ppm c. 0.0020 ppm d. 2.0 ppm e. 0.20 ppm
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If there are 2.0 mg of Pb+2 ions in 1.0 L of water, what is the concentration of lead in ppm?
a. 200 ppm
b. 20. ppm
c. 0.0020 ppm
d. 2.0 ppm
e. 0.20 ppm
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