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
Rooms, Meals and College Necessities: Here's What It's Going to Cost. Yale University offers students both housing and dining options. The on-campus housing cost for a typical student was $7,800 in 2014 - 2015 and the cost for a typical meal plan was $6,200. The following table outlines average expected costs at Yale University for on-campus housing, meals and other expenses. An Edge for Elite Students.