Lead(II) carbonate, PbCO3, is one of the components of the passivating layer that forms inside lead pipes.
Question:
Lead(II) carbonate, PbCO3, is one of the components of the passivating layer that forms inside lead pipes.
(a) If the Ksp for PbCO3 is 7.4 x 10-14 what is the molarity of Pb2+ in a saturated solution of lead(II) carbonate?
(b) What is the concentration in ppb of Pb2+ ions in a saturated solution?
(c) Will the solubility of PbCO3 increase or decrease as the pH is lowered?
(d) The EPA threshold for acceptable levels of lead ions in water is 15 ppb. Does a saturated solution of lead(II) carbonate produce a solution that exceeds the EPA limit?
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a The solubility product constant Ksp is defined as the product of the molar concentrations of the ions in a saturated solution For PbCO3 the Ksp is 7...View the full answer
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Related Book For 
Chemistry The Central Science
ISBN: 978-0134414232
14th Edition
Authors: Theodore Brown, H. LeMay, Bruce Bursten, Catherine Murphy, Patrick Woodward, Matthew Stoltzfus
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