APPENDIX Calculations

Ca(OH)2 (s)Ca2+ (aq)+2OH- (aq)

Initial00

Change+x+2x

Equilibriumx2x

moles Na2CO3: moles HCl: M HCl:

moles Na2CO3: moles HCl:M HCl:

moles Na2CO3: moles HCl: M HCl:

Average M HCl:

I. Determination of Ksp and Solubility of Ca(OH)2[OH-]: [Ca2+]:

[OH-]: [Ca2+]:

[OH-]: [Ca2+]:

[OH-]: [Ca2+]:

[OH-]: [Ca2+]:

[OH-]: [Ca2+]:

II. Effect of Common Ions on the Solubility of Ca(OH)2

[OH-]: [Ca2+]:

[OH-]: [Ca2+]:

[OH-]: [Ca2+]:

[OH-]: [Ca2+]:

[OH-]: [Ca2+]:

[OH-]: [Ca2+]: