Determining the Ksp of Calcium Hydroxide: Ca(OH)2 (s) ↔ Ca2+ (aq) + 2OH– (aq) Ksp = [Ca2+][OH–]2 The molarity of the hydrochloric acid used was 0.050 M. 15.00 mL of filtered Ca(OH) 2 was measured out for the titration. Calculate the [Ca 2+ ]. Explain, please.

Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter17: Principles Of Chemical Reactivity: Other Aspects Of Aqueous Equilibria
Section: Chapter Questions
Problem 106IL: The weak base ethanolamine. HOCH2CH2NH2, can be titrated with HCl....
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Determining the Ksp of Calcium Hydroxide:

Ca(OH)2 (s) ↔ Ca2+ (aq) + 2OH (aq)

Ksp = [Ca2+][OH]2

The molarity of the hydrochloric acid used was 0.050 M.
15.00 mL of filtered Ca(OH) 2 was measured out for the titration.

Calculate the [Ca 2+ ]. Explain, please. 


Trial Initial Buret Reading  Endpoint Buret Reading  Endpoint Volume  Equivalence Point Volume 
1 80 ml 9.31 pH 12 ml 12.60ml
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