Which of the following is the most effective buffer system for a pH value of 5.50? (a) HC3H5O2/C3H5O2− Ka = 1.34x10−5 (b) HC2O4−/C2O42− Ka = 5.42x10−5 (c) HNO2/NO2− Ka = 7.10x10−4 (d) HOCl/OCl− Ka = 3.00x10−8

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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.