posted by Becca .
At what temperature would 1.3 m NaCl freeze, given that the van't Hoff factor for NaCl is 1.9? Kf for water is 1.86 deg C/m.
delta T = i*Kf*m
delta T = 1.9*1.86*1.3 = ?
Subtract from zero to find new freezing point.