(a) Write an expression for the solubility product, Ksp, of calcium hydroxide, Ca(OH)2.
(b) In a titration experiment in the chemistry laboratory, 20.0 cm3 of an aqueous calcium hydroxide solution is completely neutralised by 18.2 cm3 of hydrochloric acid solution with a molar concentration of 0.050 moldm-3.
(i) Determine the hydroxide ion concentration.
(ii) Calculate the solubility product of calcium hydroxide.
(iii) State one use of calcium hydroxide which depends on its solubility in water.
(b) In a titration experiment in the chemistry laboratory, 20.0 cm3 of an aqueous calcium hydroxide solution is completely neutralised by 18.2 cm3 of hydrochloric acid solution with a molar concentration of 0.050 moldm-3.
(i) Determine the hydroxide ion concentration.
(ii) Calculate the solubility product of calcium hydroxide.
(iii) State one use of calcium hydroxide which depends on its solubility in water.