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lcmello
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If HCl were added to a solution containing lead(II) ions, sodium ions, nickel(II) ions, and potassium ions, which ions would precipitate? (Select all that apply.)


lead ions

nickel ions

potassium ions

sodium ions

none of them

Verified Answer :

Edufirst

To predict the solubility of the compounds you should base on solubility tables.

I used one from wikipedia. If you google "solubility table" you will find this table as first option.

There I found that nickel, potassium and sodium chlorides are very soluble with solubilities of two digits. While lead clhoride has a solubility close to 1 g per 100 g of water. Then lead is the ion that will precipitate with certainty.

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