How much ethylene glycol (C2H6O2, the major component of antifreeze) must be added to 1 L of water to keep it from freezing at -17 oC?

Kf = 1.86 oC/m.

I got 163.96 or 164 for my answer but that isn't correct and I don't know what I'm doing wrong.

1 answer

All you gave was a number. I can't tell you what you're doing wrong since you didn't show your work. The right answer is in the ball park of 560 g