How Many Moles of Fe(OH)₂ [K_sp = 1

question 117

Multiple Choice

How many moles of Fe(OH) ₂ [K_sp = 1.8  10^-15] will dissolve in 1 L of water buffered at pH = 12.00?

• A) 1.8  10^-11 mol
• B) 1.8  10^-9 mol
• C) 5.0  10^-12 mol
• D) 8.0  10^-6 mol
• E) 4.0  10^-8 mol

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