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10 May, 11:30

A water sample tested positive for lead with a concentration of 35 ppm. The density of the solution is 1.00 g/mL Which of the following statements is correct?

A. 100 g of the solution contains 35 g of lead

B. there are 35 mg of lead in 1.0 L of this solution

C. 100 g of the solution contains 35 mg of lead

D. the solution is 35% by mass of lead

E. Ethe molarity of the solution is 35 M

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Answers (1)
  1. 10 May, 15:12
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    Answer: option B. there are 35 mg of lead in 1.0 L of this solution

    Explanation:

    1ppm = 1mg/L

    Therefore 35ppm = 35mg/L

    So, the solution contains 35mg of lead in 1L of the solution
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