“Add 50 cm3 of ice cold 15% sulfuric acid to the reaction mixture”

Well, this is a bit colder than ice cold. The interesting is, that 15% sulfuric acid freezes at -8 °C, and 37% sulfuric acid freezes at -61 °C according to this:

the datasheet from the freezing point of sulfuric acid could be found here: HERE

9:30 pm • 2 January 2015 • 168 notes • View comments