Answer to Question #216304 in General Chemistry for Csmith

Question #216304

You are given an aqueous solution containing similar concentrations of both calcium ions (Ca2+) and lead(II) ions (Pb2+), and you wish to selectively precipitate out the lead(II) ions only. Which of the following sodium salts would you choose in order to accomplish this selective precipitation?



1
Expert's answer
2021-07-13T02:42:45-0400

We would use Sodium Chloride (NaCl) to selectively precipitate out Pb2+ ions because Lead Chloride (PbCl2) is insoluble in water and hence would precipitate.


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