Question
How do the concentrations of $\mathrm{Pb}^{2+}$ and $\mathrm{S}^{2-}$ change when $\mathrm{K}_{2} \mathrm{S}$ is added to a saturated solution of PbS?
Step 1
The reaction can be represented as follows: \[\mathrm{PbS_{(s)}} \rightleftharpoons \mathrm{Pb^{2+}_{(aq)}} + \mathrm{S^{2-}_{(aq)}}\] Show more…
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