What is the pH of a saturated solution of Ca(OH)₂? Ca(OH)₂ (s) Ca²+ (aq) + 2 OH- (aq) Ksp = 3.7 x 10 −6

Chemistry & Chemical Reactivity
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Chapter17: Principles Of Chemical Reactivity: Other Aspects Of Aqueous Equilibria
Section17.6: Equilibria Involving Complex Ions
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What is the pH of a saturated solution of Ca(OH)₂?
Ca(OH)₂ (s) Ca²+ (aq) + 2 OH- (aq)
село
N O
+25
25
initial
-§.
pH of Hydroxides - Example
ех сего
+s
S
Ksp= [Ca²+] [OH-]²= (5)(25)²=453
5= 33.7x²
3.7 хо
S
(OH) = 25 = 0.019487 M
= 0.009713 M
Ksp = 3.7 x 10-6
[++] = 10²]
-14
pH=12.29
-=
5-1316x180-13
[он)
pH = -log (H+)
=-loğl
pH = 12.2897
Transcribed Image Text:What is the pH of a saturated solution of Ca(OH)₂? Ca(OH)₂ (s) Ca²+ (aq) + 2 OH- (aq) село N O +25 25 initial -§. pH of Hydroxides - Example ех сего +s S Ksp= [Ca²+] [OH-]²= (5)(25)²=453 5= 33.7x² 3.7 хо S (OH) = 25 = 0.019487 M = 0.009713 M Ksp = 3.7 x 10-6 [++] = 10²] -14 pH=12.29 -= 5-1316x180-13 [он) pH = -log (H+) =-loğl pH = 12.2897
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