u11ohnotes18f2005(3)

u11ohnotes18f2005(3) - Dissociation and Ion Concentration...

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Various Definitions of Acids and Bases Arrhenius acid : yields H 1+ in sol’n e.g., HNO 3 ÅÆ H 1+ + NO 3 1– Arrhenius base : yields OH 1– in sol’n e.g., Ba(OH) 2 ÅÆ Ba 2+ + 2 OH 1– Lewis acid : e pair acceptor Lewis base : e pair donor Bronsted-Lowry acid : proton (i.e., H 1+ ) donor Bronsted-Lowry base : proton (i.e., H 1+ ) acceptor B-L theory is based on conjugate acid-base pairs . **Conjugate acid has extra H 1+ ; conjugate base doesn’t.** HCl + H 2 O ÅÆ H 3 O 1+ + Cl 1– NH 3 + H 2 O ÅÆ NH 4 1+ + OH 1– CH 3 COOH + H 2 O ÅÆ CH 3 COO 1– + H 3 O 1+ C-A C-B C-B C-A C-A C-B C-B C-A C-A C-B C-B C-A TOPIC FOR FUTURE CHEM. COURSES
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Unformatted text preview: Dissociation and Ion Concentration Strong acids or bases dissociate ~100%. HNO 3 H 1+ + NO 3 1 HNO 3 H 1+ + NO 3 1 1 1 + 1 2 2 + 2 100 100 + 100 1000/L 1000/L + 1000/L 0.0058 M 0.0058 M + 0.0058 M HCl H 1+ + Cl 1 4 . M 4.0 M + 4.0 M H 2 SO 4 2 H 1+ + SO 4 2 + 2.3 M 4.6 M + 2.3 M C a ( O H ) 2 Ca 2+ + 2 OH 1 0.025 M 0.025 M + 0.050 M NO 3 1 H 1+ NO 3 1 SO 4 2 SO 4 2 + monoprotic acid diprotic acid H 1+ H 1+ H 1+ H 1+ H 1+...
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This note was uploaded on 01/23/2012 for the course CHEM 11 taught by Professor Staff during the Fall '08 term at Concordia AB.

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u11ohnotes18f2005(3) - Dissociation and Ion Concentration...

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