Question: how many milliliters of .100 m naoh are required to neutralize h2so4?
Answer: Normality of H2SO4= Molarity x 2 =0.1584 x2 =0.3168 N, since H2SO4 is dibasic. Volume of NaOH required to neutralise 258.2 ml. of H2SO4 =258.2 x 0.3168 / 0.4216 = 194.0 ml.