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What is the molar solubility of FeOH2Ksp=8.0×1016 is pH= 13.0?

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By Expert Faculty of Sri Chaitanya
a
8.0×10−18
b
8.0×10−15
c
8.0×10−17
d
8.0×10−14

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detailed solution

Correct option is D

Fe(OH)2→Fe2++2OH−PH+POH=14PH=13⇒POH=1⇒OH−=10−1⇒2s=OH−=10−1KSp=Fe+2OH−2⇒8×10−16=(S)10−1)2⇒S=8×10−14


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