MARCENT is responsible for all Marine Corps Forces in the CENTCOM Area of Responsibility (AOR), except for those assigned to the U.S. Special Operations Command (USSOCOM), and Special Operations Command, Central Command (SOCCENT).
Answer Wiki. Ammonium chloride is an inorganic compound with the formula NH4Cl and a white crystalline salt that is highly soluble in water. Solutions of ammonium chloride are mildly acidic. Sal ammoniac is a name of the natural, mineralogical form of ammonium chloride.
Confidence votes 261K. NH4 in chemistry is the formula for ammonium. It consists of one nitrogen atom to 4 hydrogen atoms. It is formed when a chemical process converts ammonia with the chemical formula NH3 to ammonium.