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pH of a saturated solution of Ca(OH)2 is 9. The Solubility product (K) of Ca(OH)​​​​​​​2 …………

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pH of a saturated solution of Ca(OH)2 is 9. The Solubility product (K) of Ca(OH)2 …………

 (a) 0.5 x 10-15

(b) 0.25 x 10-10

(c) 0.125 x 10-15 

(d) 0.5 x 10-10

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 (a) 0.5 x 10-15

Ca(OH)2 ⇌ Ca2+ + 2OH- 

Given that pH = 9

pOH = 14 – 9 = 5

[p0K = – 1og10[OH-]]

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