if 25 cm^3 of a 0.1 M na2co3 solution neutralised a solution containing h2so4, in 250 cm^3 of solution.
calculate the molarity of h2so4 and the volume of the acid used.
volume of acid= 225cm^3
molarityacid*volumeacid=molarity base*volumebase
Molarity acid= (.1*25/225) moles per liter