The simultaneous solubilities of AgSCN and AgBr are, respectively (Ksp. of AgSCN =1 ×10^-12, Ksp

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The simultaneous solubilities of AgSCN and AgBr are,...

The simultaneous solubilities of $\mathrm{AgSCN}$ and $\mathrm{AgBr}$ are, respectively $\left(K_{\mathrm{sp}}\right.$ of $\mathrm{AgSCN}$ $=1 \times 10^{-12}, K_{\mathrm{sp}}$ of $\left.\mathrm{AgBr}=2.1 \times 10^{-13}\right)$ (a) $9.09 \times 10^{-7} \mathrm{M}, 1.909 \times 10^{-7} \mathrm{M}$ (b) $1.909 \times 10^{-7} \mathrm{M}, 9.09 \times 10^{-7} \mathrm{M}$ (c) $9.09 \times 10^{-6} \mathrm{M}, 1.909 \times 10^{-7} \mathrm{M}$ (d) $1.1 \times 10^{-6} \mathrm{M}, 2.1 \times 10^{-7} \mathrm{M}$

The simultaneous solubilities of $\mathrm{AgSCN}$ and $\mathrm{AgBr}$ are, respectively $\left(K_{\mathrm{sp}}\right.$ of $\mathrm{AgSCN}$ $=1 \times 10^{-12}, K_{\mathrm{sp}}$ of $\left.\mathrm{AgBr}=2.1 \times 10^{-13}\right)$
(a) $9.09 \times 10^{-7} \mathrm{M}, 1.909 \times 10^{-7} \mathrm{M}$
(b) $1.909 \times 10^{-7} \mathrm{M}, 9.09 \times 10^{-7} \mathrm{M}$
(c) $9.09 \times 10^{-6} \mathrm{M}, 1.909 \times 10^{-7} \mathrm{M}$
(d) $1.1 \times 10^{-6} \mathrm{M}, 2.1 \times 10^{-7} \mathrm{M}$

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Key Concepts

Solubility Product (Ksp)

The solubility product is an equilibrium constant that applies to the dissolution of sparingly soluble salts. It represents the maximum product of the ion concentrations that can exist in solution before the salt begins to precipitate. This concept is crucial in understanding at what point a salt will dissolve and how its concentration in solution is limited by its inherent equilibrium.

Common Ion Effect

The common ion effect refers to the reduction in solubility of a salt when a solution already contains one of the ions present in the salt. When two salts sharing a common ion dissolve in the same solution, the presence of that ion from one salt suppresses the dissolution of the other, thus lowering the overall solubility of both. This effect is key in understanding how multiple equilibria can interact in a solution.

Simultaneous Solubility Equilibria

Simultaneous solubility equilibria involve the dissolution of more than one sparingly soluble salt in the same solution, particularly when they share a common ion. The equilibria of these systems are interdependent; the solubility of one salt affects the solubility of the other. This concept helps in analyzing complex systems where multiple salts are present, each influencing the concentration of common ions and altering the overall solubility dynamics.

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