Topic 17 Learning Objectives Be able to: Define, compare and contrast, classify, differentiate, put in order, predict using, identify correct and incorrect examples of, identify correct and incorrect interpretations of, identify correct and incorrect applications of…the following terms:
acid ionization constant – K_{a
}
percent
ionization Use
the approximation method for calculating
the concentrations of species in a weak
acid solution using K_{a} Use the quadratic formula to calculate the concentrations of species in a weak acid solution using K_{a } Calculate
K_{a} using pH Calculate percent ionization for a weak acid given the initial concentration and the pH or given the initial concentration and the K_{a } Calculate
[H^{+}] and pH for polyprotic acids Use
the approximation method for calculating the concentrations of species in a weak
base solution using K_{b} Use the quadratic formula to calculate the concentrations of species in a weak base solution using K_{b } Use
the relative strengths of acids and bases to predict whether reactants or
products are favored for a reaction Calculate
the K_{b} for the conjugate base of an acid Use
bond strength and bond polarity to explain the trend in acid strength for binary
acids Use
electronegativity and the number of O atoms bonded to the central atom to
explain the trend in acid strength for oxyacids Explain
the trend in acid strength for polyprotic acids and their corresponding acid
anions Use
salt hydrolysis to predict whether a salt solution will be acidic, basic, or
neutral Calculate
the pH of salt solutions Explain
the common ion effect Perform
calculations involving the common ion effect Describe
how to make a buffer Explain
how a buffer works Identify
solutions that are buffers and those that are not
Derive
the HendersonHasselbalch equation Calculate
the pH of the initial buffer solution Calculate
the pH of a buffer solution after the addition of acid or base to that solution Perform
the calculations for making a buffer solution of a specified pH Describe
and explain the shape of the three types of titration curves as well as
explaining the pH of the equivalence point Calculate
the pH after the addition of a given amount of acid or base in a titration Calculate
the pH at the equivalence point for a titration
