The LD-50 of the insecticide parathion administered orally to rats is 20mg/kg. How much parathion woulGhave to be fed to a rate that weighs .75kg to give a 50% chance of killing it.

The molecules contain like 54 of water 

Woah that’s a lot to read xd i’ll try though. i’ll get back t you if. i know the andwer

Ithink this is what you meant. the temperature at which a liquid begins to boil is called the boiling point. the boiling point of water is 212°f or 100°c.  and at that point will start to turn into steam (gas)