14 F. Convert to C. (F-32)*5/9 = C
delta T = Kf*molality
Substitute delta T and Kf. Solve for m.
m = mols/kg solvent.
You know m and kg H2O. Solve for mols.
mols = grams/molar mass. You know mols and molar mass, solve for grams.
How much ethylalcohol must be added to 1litre of water so that the solution will freeze at 14 farenite, kf of wa
ter is 1.86 c/mol
1 answer
1 answer