Week 9- Buffers and Solubility
Week 9- Buffers and Solubility 112
Popular in General Chemistry II
verified elite notetaker
Popular in Department
This 1 page Class Notes was uploaded by BettyAnn Mead on Sunday April 5, 2015. The Class Notes belongs to 112 at University of Massachusetts taught by Voigtman in Spring2015. Since its upload, it has received 69 views.
Reviews for Week 9- Buffers and Solubility
Report this Material
What is Karma?
Karma is the currency of StudySoup.
Date Created: 04/05/15
Chemistry 112 04052015 Assume titration of an acid ample with a strong base Equivalence pointEnd Point Moles of baseMoles of monoprotic acid 0 For diprotic acids there are two equivalence points 0 For triprotic acids there are three equivalence points Example H3PO4OHDH2PO4H20 H2PO4OHDHPO4H20 HPO4OHPO4H20 3 moles of OH are needed to titrate 1 mole oh H3PO4 Solubility Product Constants For any ionic salt dissolved in water Determining Ksp from Molar Solubility Measure mass solubility Compute molar solubility Compute Ksp Alternatively Measure the pH and compute pOH Compute OH 0 Compute Ca2 Compute Ksp Common lon Effect Insoluble salts in which the anion is the conjugate base of a weak acid dissolve in stronger acids Examples Phosphates oxalates carbonates cyanides sul des oxides and hydroxides If QKsp solution is saturated If QltKsp solution is not saturates If QgtKsp solution is super saturates You DO NOT need an ICE Table BronstedLowry Acid Proton donor 0 M Proton acceptor VS Lewis Acid Electron pair acceptor o M Electron pair donor