For the precipitation of $AgCl$ by $Ag^{+}$ ions and $HCl$,which of the following is true?

The solubility of $CaCl_2$ is $1.11 \times 10^{-8} \ g/100 \ mL$. If the molar mass of $CaCl_2$ is $111 \ g/mol$,find the $K_{sp}$.

The solubility product of silver sulphide is $3.2 \times 10^{-11}$. Its solubility at the experimental temperature is

When $H_2S$ gas is passed through a mixture containing $Mn^{2+}$,$Ni^{2+}$,$Cu^{2+}$,and $Hg^{2+}$ ions in an acidic aqueous solution,which of the following will precipitate?

The solubility product of a binary weak electrolyte is $4 \times 10^{-10}$ at $298 \ K$. Its solubility in $\text{mol} \ dm^{-3}$ at the same temperature is

The minimum volume of water required to dissolve $0.1 \ g$ of lead $(II)$ chloride to get a saturated solution ($K_{sp}$ of $PbCl_2 = 3.2 \times 10^{-8}$; atomic mass of $Pb = 207 \ u$,$Cl = 35.5 \ u$) is......$L$