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general chemistry lap of Calcium OH

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Pre-Lab Questions
"Ksp of Calcium Hydroxide"
Consider the solubility of Sr(OH)2. Two solutions are allowed to equilibrate: one at 0 .C
and the other at 25 .C. A 10.00 mL aliquot of each solution is titrated with 0.2000 M
solution.
HCI. 3.37 ml of the acid are required for the 0 .C solution; 62.90 mL for the 25 .C
1. What is the molar solubility of Sr(OH)2 at 0 .C?
2. What is the molar solubility of Sr(OH)2 at 25 .C?
3. What is the Ksp of Sr(OH)2 at both temperatures?
Ksp of Calcium Hydroxide
175

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For. Brcolle) the equilibrium reaction of salt with
Inind Ci
ST (OHz ) is, Breag, + 2 (OH" ) (291
React
- S
26
Equilibrium Co-S
S
2S
Ksp = [S, # + ] [OH ]"
Ksp = 3. (25 ) ?
For the...

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