The Ksp for Fe(OH)2 at 25°C is 1.6 x 10-14. The solubility of Fe(OH)2(s) in an aqueous solution at 25°C that is buffered at pH 11.0 OA. 4.0 x 10-9 mol/L O B. 1.6 x 1011 mol/L OC.1.6 x 10-8 mol/L O D. 6.4 x 10-8 mol/L E. 1.6 x 103 mol/L

Fundamentals Of Analytical Chemistry
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Chapter15: Complex Acid/base Systems
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Problem 15.4QAP
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The \( K_{sp} \) for Fe(OH)\(_2\) at 25°C is \( 1.6 \times 10^{-14} \). The solubility of Fe(OH)\(_2\)(s) in an aqueous solution at 25°C that is buffered at pH 11.0 is:

- A. \( 4.0 \times 10^{-9} \) mol/L
- B. \( 1.6 \times 10^{-11} \) mol/L
- C. \( 1.6 \times 10^{-8} \) mol/L
- D. \( 6.4 \times 10^{-8} \) mol/L
- E. \( 1.6 \times 10^{-3} \) mol/L
Transcribed Image Text:The \( K_{sp} \) for Fe(OH)\(_2\) at 25°C is \( 1.6 \times 10^{-14} \). The solubility of Fe(OH)\(_2\)(s) in an aqueous solution at 25°C that is buffered at pH 11.0 is: - A. \( 4.0 \times 10^{-9} \) mol/L - B. \( 1.6 \times 10^{-11} \) mol/L - C. \( 1.6 \times 10^{-8} \) mol/L - D. \( 6.4 \times 10^{-8} \) mol/L - E. \( 1.6 \times 10^{-3} \) mol/L
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