The solubility of a salt of weak acid $AB$ at $pH3$ is $Y imes 10^{-3}$ mol $L^{-1}$. The value of $Y$ is ____. (Given that the value of solubility product of $AB$, $K_{sp}$, is $2 imes 10^{-10}$, and the value of ionization constant of $HB$, $Ka$, is $1 imes 10^{-8}$)

Question

The solubility of a salt of weak acid $AB$ at $pH3$ is $Y 	imes 10^{-3}$ mol $L^{-1}$. The value of $Y$ is ____. (Given that the value of solubility product of $AB$, $K_{sp}$, is $2 	imes 10^{-10}$, and the value of ionization constant of $HB$, $Ka$, is $1 	imes 10^{-8}$)

Aicharya · Accepted Answer

S = K sp H + K a + 1 = 2 &#215; 10 - 10 10 - 3 10 - 8 + 1 &#8771; 2 &#215; 10 - 5 = 4 .47 &#215; 10 - 3 M .

The solubility of a salt of weak acid $AB$ at $pH3$ is $Y \times 10^{-3}$ mol $L^{-1}$. The value of $Y$ is…

Solution