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?

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?

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter13: The Chemistry Of Solutes And Solutions

Section13.6: Expressing Solution Composition

Problem 13.9CE

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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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