Collections:Texts:Chemistry:Chapter 14 - Ionic Equilibria in Aqueous Solutions
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IONIC EQUILIBRIA IN AQUEOUS SOLUTIONS
14.2 The pH of Solutions of Weak Acids and Weak Bases
14.3 Conjugate Acid-Base Pairs
We have already noted the importance of reactions in aqueous solutions in the chemical laboratory, in the natural environment, and in the human body. Many reactions in aqueous solutions involve weak acids or bases or slightly soluble substances, and in such cases one or more equilibria are achieved in solution. Furthermore, the equilibrium state is usually reached almost instantaneously, and so we can use the equilibrium law to calculate the concentrations and amounts of substance of different species in solution. Such information enables us to understand, predict, and control what will happen in solution, and it has numerous practical applications. This chapter will illustrate how equilibrium constants may be used to obtain information about reactions in solution, and in many cases the results of equilibrium calculations will be applied to practical problems.
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