Question
A solution contains $1.0 \times 10^{-5}$ mol of KBr and 0.10 mol of $\mathrm{KCl}$ per liter. AgNO $_{3}$ is gradually added to this solution. Which forms first, solid AgBr or solid AgCl?
Step 1
The first one is Ag$^{+}$ + Cl$^{-}$ $\rightarrow$ AgCl(s) with a given Ksp of 1.8 $\times$ 10$^{-10}$. The second reaction is Ag$^{+}$ + Br$^{-}$ $\rightarrow$ AgBr(s) with a given Ksp of 5.0 $\times$ 10$^{-13}$. Show more…
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