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The molar solubility of Zn ( OH ) 2 in 0 . 1 MNaOH solution is x × 10 - 18 M . The value of x is _____ . (Nearest integer) Given : The solubility product of Zn ( OH ) 2 is 2 × 10 - 20

Correct answer

0

Step-by-step solution

Zn ( OH ) 2 (   s ) ⇌ Zn + 2 ( aq ) + 2 OH - ( aq )                                                                           S                         ( 0 . 1 + 2 s ) ≈ 0 . 1 K sp = S ( 0 . 1 ) 2 2 × 10 - 20 = s × 10 - 2 ⇒ s = 2 × 10 -

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