Calculate the molality, molarity, and mole fraction of FeCl3 in a 25.7 mass % aqueous solution (d = 1.204 g/mL).

Answer 1

And you know what about this?
The definitions are
% w/w = grams/100 g solution
m = mols/kg solvent
M = mols/L solution
X = mols solute/total mols.