Asolution contains 0.021 m cl and 0.017 m i. a solution containing copper (i) ions is added to selectively precipitate one of the ions. at what concentration of copper (i) ion will a precipitate begin to form? what is the identity of the precipitate? ksp(cucl) = 1.0 × 10-6, ksp(cui) = 5.1 × 10-12.
Answers: 3
of CuCl = 
![K_{sp}=[Cu^+][Cl^-]](/tpl/images/0361/6888/73cc7.png)
![1.0\times 10^{-6}=[Cu^+]\times 0.021](/tpl/images/0361/6888/d87ff.png)
![[Cu^+]=\frac{1.0\times 10^{-6}}{0.021}=4.76\times 10^{-5}M](/tpl/images/0361/6888/3549a.png)
![K_{sp}=[Cu^+][I^-]](/tpl/images/0361/6888/38825.png)
![5.1\times 10^{-12}=[Cu^+]\times 0.017](/tpl/images/0361/6888/99563.png)
![[Cu^+]=\frac{5.1\times 10^{-12}}{0.017}=3.00\times 10^{-10}M](/tpl/images/0361/6888/762ae.png)
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Asolution contains 0.021 m cl and 0.017 m i. a solution containing copper (i) ions is added to selec...
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