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Two aqueous solutions are mixed: $AX$ and $A_2Y$.

  • A solution containing silver ions is added drop by drop to the mixture of $AX$ and $A_2Y$.
  • First, a yellow precipitate forms, and then a black precipitate forms.
  • $Ag_2Y$ is yellow and $AgX$ is black.

Which of the following molar solubility rankings is possible for these laboratory observations?


$AX < A_2Y < Ag_2Y < AgX$


$Ag_2Y < A_2Y < AgX < AX$


$AgX < Ag_2Y < A_2Y < AX$


$Ag_2Y < AgX < AX < A_2Y$

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