Number of moles of HCl required to react completely with 1 molar 0.5 L of NaOH solution will be Share with your friends Share 0 Vartika Jain answered this Dear Student, For complete neutralisation of the acid,Number of moles of HCl = Number of moles of NaOHNow, Number of moles of NaOH=Molarity×Volume = 1×0.5=0.5 molHence, number of moles of HCl required = 0.5 mol 0 View Full Answer