Question

Solubility of Calcium Hydroxide At some temperature, the solubility of Ca(OH)2 is 0.0760 g/100mL. Calculate the concentrations of the Ca2+ and OH ions in a saturated solution of Ca(OH)2 and use these to calculate a value for Ksp of Ca(OH)2. [Ca2+ 1 pts Tries 0/99 Submit Answer [OH-] 1 pts Submit Answer Tries 0/99 Ksp 1 pts Tries 0/99 Submit Answer Calculate the volume of 0.0150 M HCl required to neutralize 10.00 mL of the saturated solution 1 pts Tries 0/99 Submit Answer

Answer 1

IN Solubility of Ca CoH), = 0.0760 gloomu molarmass of Caloh), = 74 g/mol [cacom)] = 0.07609x 1000 74g/ml 100 0.0103 M Ca (OH)2 = cathaq) + 204 Lag) [cat ] =000103 M ; LOH] = 2 x 0.0103 =0.0206M kasp = [ Catag [owy? = 0.0103 x 10.0206) Ksp = 4.371x106 - Q HU & la LOH) - lack + 2H2O and inda volume of Hel = 0.0103x10 2 Trio - M227 L hi- 5l 0.0150 = 13.73mL