98%(w/w) $H_2SO_4$ stock solution has a density of 1.8g.m$L^{-1}$.The molecular weight of $H_2SO_4$ is 98g$mol^{-1}$.The volume (ml) of stock solution required to prepare a 900ml of 0.5M $H_2SO_4$ is

Question

$\begin{array}{1 1}(a)\;20ml\\(b)\;25ml\\(c)\;30ml\\(d)\;40ml\end{array}$