Solubility equilibria notes
Solubility constants are used to describe saturated solutions of ionic compounds of relatively low solubility (see solubility equilibrium). The solubility constant is a special case of an equilibrium constant. It describes the balance between dissolved ions from the salt and undissolved salt. The equilibrium constant for the dissolution of a sparingly soluble salt is the solubility product (K sp) of the salt. Because the concentration of a pure solid such as Ca 3 (PO 4) 2 is a constant, it does not appear explicitly in the equilibrium constant expression. The equilibrium constant expression for the dissolution of calcium phosphate ... ii) equilibrium exists between the dissolved ions and the undissolved solid. SOLUBILITY = equilibrium concentration of the substance in solution at a given temperature or the concentration of a saturated solution. The solubility is often expressed as MOLAR SOLUBILITY where the units are mol L (M). 4. Chapter 17: Acid-Base Equilibria and Solubility Equilibria Key topics: Common ion effect Buffers Acid-base equilibria Solubility equilibria; complex ion formation The Common Ion Effect If we have two solutes each containing the same ion, the equilibrium is affected. This is called the common ion effect. Consider adding acetic acid (CH
Understanding solubility is important whether you want to design a new cancer drug, want to save the planet by removing greenhouse gases from the environment like Chemist Hector Hernandez, or if you simply want to get your apartment ready for a visit from your parents. View Full Document Solubility Equilibria. 0 0 241 views. Lecture 18 Notes Include: information on solubility and the solubility product and an example; descriptions of the four factors affecting solubility; quick discussion of how scientists used to experiment with solubility
Equilibria 9-1 The Nature of Solubility Equilibria 9-2 The Solubility of Ionic Solids 9-3 Precipitation and the Solubility Product 9-4 The Effects of pH on Solubility 9-5 Complex Ions and Solubility 9-6 Controlling Solubility in Qualitative Analysis Chapter 8, Acid-base equilibria Road map of acid-base equilibria On first encounter, the study of acid-base equilibria is a little like a strange land with seemingly confusing trails that make passage difficult. In fact, there is a road map that, once understood, allows Solubility Equilibria 8 SOLUBILITY AND COMPLEX IONS ¾ The formation of complex ions can often dissolve otherwise insoluble salts. ¾ Often as the complex ion forms, the solubility equilibrium shifts to the right (away from the solid) and causes the insoluble salt to become more soluble.
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