Chapter 16-Acids and Bases

Chapter 16-Acids and Bases - Chapter 16- Acids and Bases...

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Chapter 16- Acids and Bases Base o Accepts proton o Donates OH- o Electron pair donor o Strong Base- M= [OH] o LiOH, KOH, CsOH, NaOH, RbOH, Ca(OH), Sr(OH), Ba(OH) o Strong bases have large kb, pH, [OH] and a small pKb Acids o Donates proton o Electron pair acceptor o HCl, HBr, HI, HClO4, HNO3, N2SO4 o Large Ka, [H+] o Small pka and pH Kw, ka, kb o Kw=ka*kb Weak acids and bases o Dissociate o Acid + Water----> Base + H30+ o Base + water---> Acid + OH o Must use ice table to get concentrations o Ph is log of H+ concentration Conjugates o Weak base, strongest acid o Strongest acid, weakest base Polyprotic Acids o Dissociate multiple times b/c multiple hydrogens o First use ice table o Ka2 always equals last base Percent ionization o Molarity of H+ or OH concentration/ Initial molarity * 100 o Use ice table against given Strongest acid- How to tell o First draw without H+'s o Resonance-- more pi bonds o Electronegativity-- halogens closer to O o Bigger, better
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This note was uploaded on 08/05/2010 for the course CHEM 2B 55953 taught by Professor Enderle during the Spring '10 term at UC Davis.

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Chapter 16-Acids and Bases - Chapter 16- Acids and Bases...

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