freezingptdepression=Kf*molality
-16=-1.86*molesglycol/1kg
solve for moles glycol
then convert that to grams.
How much ethylene glycol (C2H6O2, the major component of antifreeze) must be added to 1 L of water to keep it from freezing at -16 oC?Kf = 1.86 oC/m.
2 answers
0.115
2 answers