\( 200 \, \text{mL} \) of \( 0.2 \, \mathrm{M} \, \mathrm{H_2SO_4} \) is titrated with \( 0.1 \, \mathrm{M} \, \mathrm{NaOH} \). If the titration is stopped after adding \( 100 \, \text{mL} \) of \( \mathrm{NaOH} \). What volume (in \( \text{mL} \)) of \( 0.2 \, \mathrm{N} \, \mathrm{Ba(OH)_2} \) is required to complete the neutralization?
