chapter16 - 1 16.1 Brønsted Acids and Bases • Acid –...

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Unformatted text preview: 1 16.1 Brønsted Acids and Bases • Acid – proton donor • Base – proton acceptor • Conjugate base – what remains of the acid after the donation of a proton • Conjugate acid – newly formed protonated species (base) 2 Conjugate Acid-Base Pairs 3 4 16.2 The Acid-Base Properites of Water • Autoionization of water – water is amphoteric , can act as an acid or base or 5 For pure water at 25 o C Relative amounts determine if the solution is acid, base, or neutral. • When [H 3 O + ] = [OH- ], the solution is neutral. • When [H 3 O + ] > [OH- ], the solution is acidic. • When [H 3 O + ] < [OH- ], the solution is basic. ] ][OH O [H 3 w- + = K 14 7 7 w 10 x 1 10 x (1 x ) 10 x 1--- = = ) ( K 6 16.3 The pH Scale ] log[H pH +- = [ ] +- = pH 3 H O 10 ] O log[H pH 3 +- = or or pH Meter: Laboratory Measurement of pH 7 Relative amounts determine if the solution is acid, base, or neutral....
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chapter16 - 1 16.1 Brønsted Acids and Bases • Acid –...

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