Review for Solving pH Problems: Base Ionization 1)

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Review for Solving pH Problems: Acid Ionization : HA + H2O A- + H3O+ CH3COOH + H2O CH3COO- + H3O+ Base Ionization : B + H2O BH+ + OH- CH3NH2 + H2O CH3NH3+ + OH- 1) Strong Acid complete dissociation [H+] is equal to original [HA] 2) Strong Base complete dissociation [OH-] is equal to original [MOH] Where M represents a cation. Bases derived from group II metals will have the formula M(OH)2 and will yield two hydroxides. 3) Weak acid when only weak acid is initially present. Solved by examining the equilibrium of acid Ionization .

NOTE: A common ion solution is a buffer solution and this can be easily solved by using the Henderson-Hasselbach equation. pH = pK a + log([A

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