What Is the Molar Solubility of Fe(OH)₃(s)in a Solution That

question 27

Multiple Choice

What is the molar solubility of Fe(OH) ₃(s) in a solution that is buffered at pH 2.50 at 25°C? The K_sp of Fe(OH) ₃ is 6.3 × 10^-38 at 25°C.

• A) 6.9 × 10^-28 M
• B) 2.0 × 10^-26 M
• C) 1.3 × 10^-13 M
• D) 2.0 × 10^-3 M
• E) 5.0 × 10² M

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