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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 Ksp 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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