The pressure we'd need would be 10 atm not 1 atm, if we want to reach 330 feet not 33 feet. But it's not treated that way to improve its taste but to act as a bactericide . It seems to work on chemistry professors too. So we can safely ignore the weak bases aspect of ammonia. So we need 24.5 moles of ethylene glycol per 1 kg of water.
Water is no longer the majority fluid.
We no longer believe that a ideal solution law like the freezing point depression formula is likely to hold. The first thing you do is to give up on water. Last modified 9 March 2001.