Determine the volume of 0.215M KOH solution required to neutralize each of the following samples of sulfuric acid. The neutralization reaction is: H2SO4(aq)+2KOH(aq)?K2SO4(aq)+2H2O(l)
1. 15mL of 0.215M H2SO4
2. 155mL of 0.130M H2SO4
3. 40mL of 0.115M H2SO4