How many ml of barium hydroxide is required to neutralize 55 ml of Nitric acid The concentration of the acid is 0.2585 moles/l and the concentration of the base is 0.047 moles / litre.

Question

$\begin{array}{1 1} (a)\;22 \;ml \\ (b)\;25 \;ml \\ (c)\;20 \;ml \\ (d)\;15\; ml \end{array} $