Question

It is necessary to add iodide ions to precipitate
the lead(II) ions from 250 mL of 0.076 M
Pb(NO3)2(aq). What minimum iodide ion
concentration is required for the onset of PbI2
precipitation? The solubility product of PbI2
is 1.4 × 10−8
.
Answer in units of mol/L.

What mass of KI must be added for PbI2 to
form?
Answer in units of g.

Mar 21, 2016

You might want to post this to the Chem section.

Mar 22, 2016

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