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What is the molar solubility of Fe(oh)3 in a buffer solution with pH 8•20 KSP = 4•0 ×10∆-38
3 years ago

Answers

DrBob222
pH = 8.20
pH + pOH = 14. Solve for pOH.
pOH = -log(OH^-). Solve for (OH^-)
..................Fe(OH)3 ==> Fe^3+ + 3OH^-
Ksp = (Fe^3+)(OH^-)^3 = 4.0E-38
Plug in (OH^-), cube it, solve for (Fe^3+) = solubility Fe(OH)3 in moles/L.
Post your work if you get stuck.


3 years ago

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