Chemistry, 03.12.2019 06:31 odellbeckham7171
The ksp of agcl is 1.8x10^-10 and the ksp of agi is 8.3x10^-17. a solution is .100m in i- and cl-. when a silver nitrate solution is slowly added to this mixture, what is the molarity of iodide ions when agcl just starts to precipitate?
a.) 1.0x10^-5m
b.) 9.1x10^-9m
c.) 8.3x10^-7m
d.) 4.6x10^-8m
Answers: 3
![[I^-]=4.6*10^{-8}M](/tpl/images/0400/6878/efb7d.png)
![Ksp_{AgCl}=[Ag^{+}][Cl^-]](/tpl/images/0400/6878/a6397.png)
![Ksp_{AgI}=[Ag^{+}][I^-]](/tpl/images/0400/6878/4635b.png)
![1.8*10^{-10}M^{2}=[Ag^{+}]*0.1M](/tpl/images/0400/6878/af755.png)
![[Ag^{+}]=1.8*10^{-9}M](/tpl/images/0400/6878/fb6df.png)
![8.3*10^{-17}M^{2}=1.8*10^{-9}M*[I^-]](/tpl/images/0400/6878/e351e.png)
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The ksp of agcl is 1.8x10^-10 and the ksp of agi is 8.3x10^-17. a solution is .100m in i- and cl-. w...
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