25cm3 of a sulphuric acid solution are nuetralized by 27.0cm3 of 0.1m sodium hydroxide solution. what is the c?

25cm3 of a sulphuric acid solution are nuetralized by 27.0cm3 of 0.1m sodium hydroxide solution. what is the concentration of the acid solution in terms of a. molarity b. g/dm3????