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Practice question

MCQ

Question

The Ksp of AgIO₃ is 3.0 × 10⁻⁸ . What is [Ag+] in a saturated solution containing 0.02 M KIO₃ ?

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Explanation

For AgIO₃ <=> Ag+ + IO₃- , Ksp = [Ag+][IO₃-] = 3.0 × 10⁻⁸ . [IO₃-] = 0.02 + [Ag+] ≈ 0.02 M , [Ag+] = (3.0 × 10⁻⁸/0.02) = 1.5 × 10⁻⁶ M .

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