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Calculate the molar solubility of Fe(OH)...

Calculate the molar solubility of `Fe(OH)_(3)` in a buffer solution that is `0.1M` in `NH_(4)OH` and `0.1M` in `NH_(4)Cl` `(K_(b)` of `NH_(4)OH=1.8xx10^(-5)`,`K_(sp)` of `Fe(OH)_(3)=2.6xx10^(-39)`)

A

`4.46xx10^(-22)M`

B

`8.92xx10^(-25)M`

C

`2.23xx10^(-24)M`

D

`4.46xx10^(-25)M`

Text Solution

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The correct Answer is:
D
`N//A`
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