Life as we know it needs water, but life as we don't know it may run on concentrated sulfuric acid. The chemistry of life as we know it wouldn't work in a place like the huge Saturn moon Titan ...

The molar ratio of a chemical reaction is also ... 3 of 0.1 mol l-1 sodium hydroxide is neutralised by an excess of sulfuric acid. \(H_{2}SO_{4} (aq) + 2NaOH (aq)\rightarrow Na_{2} ...