The concentration of iodide ions in a saturated solution of lead (II) iodide is ______M. The solubility product constant of PbI2 is 1.4 × 10-8. (aq., 20 oC). A) 3.8 × 10-4​​B) 1.4 × 10-8​​C) 1.5 × 10-3​​D) 3.5 × 10-9​​​​​E) 3.0 × 10-3​​F) 7.7 × 10-12​G) 1.4 × 10-4​

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A TRICINE buffer is made to a pH of 8.15 at 25 °C then warmed to 37 °C. The pH of the solution changes because the pK, changes. TRICINE has a pK, = 8.14 and a ApK/AT= -0.018 "C¹, Calculate the pH of the buffer at 37 °C. pH =

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tab esc For each of the following compounds, decide whether the compound's solubility in aqueous solution changes with pH. If the solubility does change, pick the pH at which you'd expect the highest solubility. You'll find K data in the ALEKS Data tab. sp compound 1 CaBr, CaCO3 Ca (OH)₂ Q Does solubility change with pH? 2 O yes O no O yes no -0. F2 yes W no # 3 pH = 7 80 F3 E highest solubility pH = 8 $ 4 X 000 F4 R pH = 9 % 5 S F5 T MacBook Air < F6 Y & 7 AA F7 U 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility * 00 8 DII F8 9 Save For Later F9 Submit Assignment F10 P F11 + 11 { [ 000 18 Ar F12 ?

14. A 4.0 × 10ªM aqueous solution of highly soluble MnSO4 is gradually made more basic by adding NaOH. At what pH will manganese(1I) hydroxide begin to precipitate? Ksp (Mn(OH)2) 2.0 × 10-13. a) 4.70 b) 9.57 c) 4.65 d) 9.30 e) 9.35 f) none of the above

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