Acid-base equilibria of the aquatic environment(en)(32s) by Lower S. K.

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By Lower S. K.

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Example text

4 6 3 4 Buffering action as a function of buffer concentration . . . . . . . . . . . Buffer intensity and titration curve for a diprotic acid . . . . . . . . . . 15 21 5 6 Buffering in strong- and weak-acid solutions . . . . Titration curves of acids and bases of various strengths . Titration curve for a polyprotic acid, H3 PO4 . . . Equilibrium fraction diagram for a monoprotic acid. . Log-C vs pH diagram for a 10−3 M acetic acid solution. Log-C diagram for a diprotic acid .

1 Polyprotic acids . . . . . . . . . . . . . . . . . . . . . 25 27 6 Acid- and base neutralizing capacity 29 7 Acid rain 30 List of Figures 1 2 Dependence of [H+ ] and pH of pure water on temperature. . . . . . . .

9 Pure acid in water . . . . . . . . . . Calculations on mixtures of acids . . . . . . Mixture of an acid and its conjugate base . . . General case of a weak acid/base system, using [SID] Example calculations involving conjugate species . Diprotic acids . . . . . . . . . . . . . . 1 Buffer solutions . . . . . . . . . . . . . . . . . . . . . 2 Titrations . . . . . . . . . . . . . . . . .

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