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Calculate the concentration of Pb2+ in each of the following.
a. a saturated solution of Pb(OH)2, Ksp = 1.2 × 10−15
b. a saturated solution of Pb(OH)2 buffered at pH = 13.00
c. Ethylenediaminetetraacetate (EDTA4−) is used as a complexing agent in chemical analysis and has the following structure:
Solutions of EDTA4− are used to treat heavy metal poisoning by removing the heavy metal in the form of a soluble complex ion. The reaction of EDTA4− with Pb2+ is
Consider a solution with 0.010 mole of Pb(NO3)2 added to 1.0 L of an aqueous solution buffered at pH = 13.00 and containing 0.050 M Na4.EDTA. Does Pb(OH)2 precipitate from this solution?
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