Dissolving 3g of ascorbic acid in 50g of acetic acid lowers the freezing point of acetic acid by 1.33degreesC. What is the molecular mass of ascorbic acid?

1 answer

delta T = Kf*m
Solve for m.

m = mols/kg solvent
solve for mols.

mols = grams/molar mass
Solve for molar mass.