M1V1=M2V2
(2.5 M H2SO4)(1.0 L) = (18 M H2SO4)(V2)
(2.5 M H2SO4)( 1.0 L) = 1.388
18 M H2SO4
0.1388 L x 1000mL = 138.8 mL
1 1.0 L
Pour 138.8 mL of the sulfuric acid into a container, then add 861.2 mL of distilled water, and then there is 2.5 M of sulfric acid solution.
this is what i ended up doing... and i have a feeling its wrong as i didnt use density....
so then how else should i set it up?