The solubility of BaSO₄ in water is $2.42 \times {10}^{-3}$ g/ litre at 298 K. The value of the solubility product will be:

(Molar mass of BaSO₄ = 233 gmol^–1)

1.  $1.08 \times {10}^{-10} {\mathrm{mol}}^2 {\mathrm{L}}^{-2}$
2.  $1.08 \times {10}^{-12} {\mathrm{mol}}^2 {\mathrm{L}}^{-2}$
3.  $1.08 \times {10}^{-14} {\mathrm{mol}}^2 {\mathrm{L}}^{-2}$
4.  $1.08 \times {10}^{-8} {\mathrm{mol}}^2 {\mathrm{L}}^{-2}$

Concentration of the Ag⁺ ions in a saturated solution of Ag₂C₂O₄ is 2.2 x 10^-4 mol^-1 solubility product of Ag₂C₂O₄ is

1. 2.42 x 10^-8

2. 2.66 x 10^-12

3. 4.5 x 10^-11

4. 5.3 x 10^-12

The concentration of Ag⁺ ions in a saturated solution of Ag₂C₂O₄ is $2.2\times {10}^{-4}mol L^{-1}$ . The solubility product of Ag₂C₂O₄ is
1. $2.66\times {10}^{-12}$
2. $4.5\times {10}^{-11}$
3.$5.3\times {10}^{-12}$
4. $2.42\times {10}^{-8}$

The solubility of AgCl (s) with solubility product 1.6 x 10^-10 in 0.1 M NaCl solution would be

(1) 1.26 x 10^-5 M               

(2) 1.6 x 10^-9 M

(3) 1.6 x 10^-11 M               

(4) zero

MY and NY₃ , two nearly insoluble salts, have the same Ksp values of 6.2 x 10^-13 at room

temperature. Which statement would be true in regard to MY and NY₃?

1. The molar solubility of MY in water is less than that of NY₃

2. The salts MY and NY₃ are more soluble in 0.5 M KY than in pure water

3. The addition of the salt of KY to solution of MY and NY₃ will have no effect on their

solubilities

4. The molar solubilities of MY and NY₃ in water are identical

The solubility of AgCl (s) with solubility product 1.6 x 10^-10 in 0.1 M NaCl solution would be

1.  $1.26\times {10}^{-5} \mathrm{M}$
2.  $1.6\times {10}^{-9} \mathrm{M}$
3.  $1.6\times {10}^{-11} \mathrm{M}$
4.  zero

At room temperature, MY and NY3, two nearly insoluble salts, have the same K_sp values of 6.2 x 10^-13 . The true statement regarding MY and NY₃ is:

1. The molar solubility of MY in water is less than that of NY₃.

2. The salts MY and NY₃ are more soluble in 0.5 M KY than in pure water

3. The addition of the salt of KY to a solution of MY and NY₃ will have no effect on their solubilities

4. The molar solubilities of MY and NY₃ in water are identical.