9 Polyprotic Acid Base Equilibria
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1400-Fm 9/9/99 7:37 AM Page i CModern Analytical ...
gtu.geAcid–Base Equilibria 219 7G.4 Liquid–Liquid Extractions Involving Metal Chelators 221 7H Separation versus Preconcentration 223 7I Key Terms 224 ... 6G.4 pH of a Monoprotic Weak Acid 160 6G.5 pH of a Polyprotic Acid or Base 163 6G.6 Effect of Complexation on Solubility 165 6H Buffer Solutions 167 6H.1 Systematic Solution to Buffer
I. Acidic and Basic water solutions: Dissociation of water O
www.sas.upenn.eduVI. Acid-Base Equilibria I. Equilibrium constant for the dissociation of a weak acid, K a Remember, weak acids only slightly dissociate: HB ⇔ H+ (aq) + B-(aq) The products are a proton and a conjugate base. Since the reactants are in equilibrium with the products, we can write an equilibrium expression: K a = [H +][B-] ----- [HB] K
15.1 Bronsted- Lowry Acids and Bases
web.gccaz.eduAcid Base Acid Base Reaction 2) NH 3 + H 2O NH + 4 + OH-Base Acid Acid Base An acid and base that differ only in the presence/absence of 1 H+ are called a conjugate acid/base pair. conjugate base is formed by removing 1 H+ from an acid. conjugate acid is formed by adding 1 H+ to a base. For Reaction 1: H 3O