The answer is middle stage or the "Inpatient Care—Recovery”. The aim of this stage is to develop civilian capacity in the government and security forces. It includes the efforts of assisting patients in their long-term recovery. This stage is one of the means in achieving overall stability and welfare of the civil society.
So for every mole of H2 you will form a mole of water , assuming you have sufficient oxygen to react with it all . it will be 4 moles of O2 will be consumed from 8 moles of H2 , when the two substances react to form water
