A Water Sample Tested Positive for Lead with a Concentration

question 70

Multiple Choice

A water sample tested positive for lead with a concentration of 35 ppm.The density of the solution is 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)the molarity of the solution is 35 M

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