Lec-25-Chap16-6-bare

Lec-25-Chap16-6-bare - Lec-25-Chap16-6-bare 10/31/2011...

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Lec-25-Chap16-6-bare 10/31/2011 Buffer Solutions. Titrations 1 Lec-25: Buffer Solutions. Titrations Chapter 16 1 Buffer Solutions Similar considerations can be made when we have buffer solutions made from a mixture of a weak base and the salt of its conjugated acid. After volume corrections The hydronium (or hydroxide) ions supplied by the strong acid (or the strong base) change the concentrations of the weak base and of the conjugate acid: ' A ' H ' B ' OH :final concentration of the salt coming from the buffer :final concentration of t :final concentrat he strong acid ad ion of weak base coming from th ded to the buffe e buffer :final conce tra r n C C C C tion of the strong base added to the buffer 2
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Lec-25-Chap16-6-bare 10/31/2011 Buffer Solutions. Titrations 2 3     B ' A '' A ' BH H 2 before addition of strong acid after additi H o O n H of strong acid H B O B C C C C C C     Addition of strong acid The equations for the hydroxide concentration become AH A ' H ' pK lo OH pOH K H O p H g p p b b w CC C C K C C C C   4     A A B 2 H OH O B B before addition of strong base after addition of strong b HO s H O B H ae C C C C C C Addition of strong base The equations for the hydroxide concentration become A OH A B OH ' O ' B H OH pK OH
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Lec-25-Chap16-6-bare - Lec-25-Chap16-6-bare 10/31/2011...

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