The Environmental Protection Agency recommends that Pb2+ have a concentration not exceeding 1.00 × 10-7 M in drinking water. What concentration of NaCl could be used to remove the lead from the water to bring it to a safe level? Ksp for PbCl2 is 1.6 × 10-5. What would be a drawback of doing this?

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Answered: The Environmental Protection Agency…

Chemistry & Chemical Reactivity

10th Edition

ISBN:9781337399074

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter17: Principles Of Chemical Reactivity: Other Aspects Of Aqueous Equilibria

Section: Chapter Questions

Problem 83GQ

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The Environmental Protection Agency recommends that Pb²⁺ have a concentration not exceeding 1.00 × 10^-7 M in drinking water. What concentration of NaCl could be used to remove the lead from the water to bring it to a safe level? K_sp for PbCl₂ is 1.6 × 10^-5. What would be a drawback of doing this?

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