-MAO’s are chemicals in Your whole body which break down other chemical substances in Your entire body. MAOI’s block MAO’s from working.EDIT: I did the titration. I utilised 500ml of my stock Answer HCl, and titrated against my inventory Option of NaOH. HCl is 0.001M and NaOH is 5M.I have listened to this last prerequisite (sexual abstinence)