Nitric acid, also known by various other names such as Hydrogen nitrate, Aqua fortis, Azotic acid, and Salpetersaeure, is an inorganic chemical having the molecular formula HNO3 and molecular weight 63.012 g/mol. It is either a colorless, yellow or red fuming liquid and has a suffocating odor. It has a boiling point of 181-00b0F at 760 mm Hg or 83-00b0C and melting point of -44-00b0F or -41.6-00b0C. It is soluble in water and has density of 1.5129 g/cu cm at 20-00b0C. The vapor pressure of Nitri 更多
