$[OH^-]=10^{-(14-13)}=0,1M$
$\Rightarrow n_{OH^-}=0,1.0,2=0,02(mol)$
$n_{OH^-}=2n_{H_2}\Rightarrow n_{H_2}=0,01(mol)$
$\Rightarrow V=0,01.22,4=0,224l$
$n_{H^+}=n_{OH^-}=0,02(mol)$
$\Rightarrow n_{H_2SO_4}=0,5n_{H^+}=0,01(mol)$
$\Rightarrow V_1=\dfrac{0,01}{0,1}=0,1l$