Aluminium sulfate is sometimes referred to as a type of alum. Alums are double sulfate salts, with the formula AM(SO 4) 2Â·12H 2O, where A is a monovalent cation such as potassium or ammonium and M is a trivalent metal ion such as aluminium.luminium sulfate may be made by adding aluminium hydroxide, Al(OH) 3, to sulfuric acid, H 2 SO 4 :
Professors at Yale University make on average $264,496 USD per year. This is $193,103 more than the average university professor's annual salary ($71,393 USD). Salary Over Time
Yale University is a private institution that was founded in 1701. It has a total undergraduate enrollment of 5,532, its setting is city, and the campus size is 343 acres. It utilizes a semester-based academic calendar. Yale University's ranking in the 2017 edition of Best Colleges is National Universities, 3. Its tuition and fees are $49,480 (2016-17).