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What is the molar solubility of A1(OH) 3 in 0.2 M NaOH solution ? Given that, solubility product of A1(OH) 3 = 2.4 × 10 –24 :

1. 3 × 10 –22
2. 3 × 10 –19
3. 12 × 10 –21
4. 12 × 10 –22

Correct answer: 3 × 10 –22

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