Which of the following species would make up a 1.0 M buffer solution with a pH of 2.5? H2SO3 Ka1 = 1.2 x 102; K2 = 6.6 x 108 O so32- and OH- O H2SO3 and SO32- H30* and H2SO3 O HSO3- and S032- H2SO3 and HSO3-

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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.