What is the solubility, in moles per liter, of Fe(OH)2 (Ksp=6.5x10-16) in 0.0569 molar NaOH solution? Report answer in scientific notation with 2 places past the decimal point.

5, Calculate the molar solubility of Cobalt(II) hydroxide (blue) Co(OH)2 in pure water                              [ Select ]                          ["4.11x10-4", "1.14x10-5", "2.54x10-6", "5.24x10-3"]            in 0.50M NaOH                              [ Select ]                          ["2.37x10-10", "7.32x10-13", "2.37x10-14", "3.27x10-7"]            Ksp of Co(OH)2 = 5.92 ⋅ 10–15   6, In the supersaturated solution Group of answer choices Q = Ksp Q < Ksp Q > Ksp Ka = Ksp Calculate the pH of a buffer solution prepared by mixing 25 mL 0.400 M butyric acid, HC4H7O2 and 35 mL of 0.200 M potassium butyrate, KC4H7O2. Ka of butyric acid is 2.76 x 10-6. Group of answer choices 5.40 3.60 6.30 4.50

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