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Chemistry, 14.06.2021 20:50 jamiria38

There is 20 mg of lead in 5 of river water. What is this concentration in ppm ? A) 4 ppm water
B) 4 ppm lead
C) 4% lead
D) 4 M lead

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There is 20 mg of lead in 5 of river water. What is this concentration in ppm ? A) 4 ppm water
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