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# Determining the Solubility Product of a Salt

CHEM-YZ@ZBJ

The $K_{sp}$ value for $\textrm{Ag}_2\textrm{SO}_4$ is $1.20\times10^{-5}$.

Which of the following is the correct $K_{sp}$ expression for $\textrm{Ag}_2\textrm{SO}_4$?

A

$1.20\times10^{-5}=\left[\textrm{Ag}_2\textrm{SO}_4\right]$

B

$1.20\times10^{-5}=\left[\textrm{Ag}^+\right] \left[\textrm{SO}_4^{2-}\right]$

C

$1.20\times10^{-5}=\left[\textrm{Ag}^+\right]^2 \left[\textrm{SO}_4^{2-}\right]$

D

$1.20\times10^{-5}=\left[\textrm{Ag}^+\right] \left[\textrm{SO}_4^{2-}\right]^2$

E

$1.20\times10^{-5}=\frac{\left[\textrm{Ag}^+\right]^2 \left[\textrm{SO}_4^{2-}\right]}{\left[\textrm{Ag}_2\textrm{SO}_4\right]}$