Solubility product and simple solubility calculations

28 questions on Solubility product and simple solubility calculations from the Ionic Equilibrium I chapter: 6 NEET level, 11 JEE Main, 11 JEE Advanced. Each one opens with its answer and solution.

• Which expression gives the solubility product of Ca3(PO4)2? NEET level
• The solubility product of AgCl is 1.8 x 10^-10 at 298 K. Its molar solubility in pure water (in mol L^-1) is closest to NEET level
• If s is the molar solubility, which salt has K_sp = 27s^4? NEET level
• The molar solubility of a salt AB2 is 1.5 x 10^-4 mol L^-1. Its K_sp is NEET level
• A salt AB (1:1 type) has molar solubility 2.0 x 10^-5 mol L^-1. Its solubility product is NEET level
• The solubility of CaSO4 (molar mass 136 g mol^-1) is 0.68 g L^-1. Its K_sp is NEET level
• A saturated solution of Ag2CrO4 has molar solubility 1.3 x 10^-4 mol L^-1. Its K_sp is JEE Main level
• K_sp of Mg(OH)2 is 1.2 x 10^-11. Its solubility in pure water (ignoring OH^- from water) in mol L^-1 is JEE Main level
• The K_sp of a sparingly soluble hydroxide M(OH)2 is 3.2 x 10^-11. Taking log 2 = 0.301, the pH of its saturated aqueous solution at 298 K is closest to JEE Main level
• Salt XA (1:1 type) has K_sp = 2.5 x 10^-11 and salt YB2 has K_sp = 3.2 x 10^-14 at the same temperature. Which statement is correct? JEE Main level
• The solubility of PbCl2 (molar mass 278 g mol^-1) in water is 4.17 g L^-1. Its K_sp is approximately JEE Main level
• The K_sp of Ag2CrO4 is 1.5 x 10^-12. Calculate its molar solubility in pure water, expressed in units of 10^-5 mol L^-1 (two decimals). JEE Main level
• K_sp of Ca(OH)2 is 4.0 x 10^-6. Taking log 2 = 0.301, calculate the pH of its saturated solution at 298 K (two decimals). JEE Main level
• K_sp of BaSO4 is 1.2 x 10^-10 (molar mass 233 g mol^-1). Calculate the mass of BaSO4 that dissolves in 500 mL of pure water, in mg (two decimals). JEE Main level
• K_sp of AgBr is 5.0 x 10^-13 (molar mass 188 g mol^-1). What volume of water, in litres, is needed to dissolve 10.0 mg of AgBr? (nearest integer) JEE Main level
• For a saturated solution of Ag2CrO4 (K_sp = 1.1 x 10^-12) at 298 K, choose the correct statement(s). JEE Main level
• Three sparingly soluble salts AB, AB2 and AB3 each have molar solubility 1.0 x 10^-4 mol L^-1. Choose the correct statement(s). JEE Main level
• 100 mL of 0.020 M AgNO3 is mixed with 100 mL of 0.010 M K2CrO4. These amounts are exactly stoichiometric for Ag2CrO4 (K_sp = 1.1 x 10^-12). The equilibrium [Ag^... JEE Advanced level
• The solubility of Mg(OH)2 (K_sp = 1.6 x 10^-11) in a buffer solution maintained at pH 11 (298 K) is JEE Advanced level
• A solution is saturated with both AgCl (K_sp = 1.8 x 10^-10) and AgBr (K_sp = 5.0 x 10^-13). The equilibrium [Ag^+] (in mol L^-1, to two significant figures) is JEE Advanced level
• A solution is saturated with both AgCl (K_sp = 1.8 x 10^-10) and AgBr (K_sp = 5.0 x 10^-13). Find [Br^-] in units of 10^-8 mol L^-1 (two decimals). JEE Advanced level
• The pH of a saturated aqueous solution of a hydroxide M(OH)2 at 298 K is 10.60. Given 10^-3.4 = 3.98 x 10^-4, calculate K_sp in units of 10^-11 (two decimals; u... JEE Advanced level
• What mass of Ag2CrO4 (molar mass 332 g mol^-1, K_sp = 1.1 x 10^-12) dissolves in 250 mL of 0.020 M K2CrO4? Neglect the chromate contributed by the salt itself. ... JEE Advanced level
• Taking K_sp of Ca3(PO4)2 as 2.0 x 10^-29, calculate its molar solubility in water in units of 10^-7 mol L^-1 (two decimals; ignore hydrolysis of phosphate). JEE Advanced level
• K_sp of PbCl2 is 1.6 x 10^-5. By what factor is its solubility in pure water greater than its solubility in 0.10 M NaCl (neglect s in comparison with 0.10)? Giv... JEE Advanced level
• For saturated Ca(OH)2 at 298 K with K_sp = 4.0 x 10^-6 (no other source of OH^- or Ca^2+, activities ignored), choose the correct statement(s). JEE Advanced level
• 100 mL of 0.010 M BaCl2 is mixed with 100 mL of 0.010 M Na2SO4 (K_sp of BaSO4 = 1.1 x 10^-10; molar mass 233 g mol^-1). Choose the correct statement(s). JEE Advanced level
• K_sp of CaF2 is 3.2 x 10^-11. Neglect s relative to the added ion concentration where appropriate. Choose the correct statement(s). JEE Advanced level