If Iron(III)acetate Is Added to Be 1 × 10^-10 M

question 41

Multiple Choice

If iron(III) acetate is added to be 1 × 10^-10 M in an aqueous solution that is 0.10 M NH₃,what is Q_sp and will Fe(OH) ₃ precipitate? The K_sp of Fe(OH) ₃(s) is 4 × 10^-38 and K_b for NH₃ is 1.8 × 10^-5.

• A)1.3 × 10^-13,yes
• B)1.7 × 10^-16,yes
• C)1.7 × 10^-16,no
• D)2.4 × 10^-19,yes
• E)2.4 × 10^-19,no

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