The mass definitely does depend on the volume. However, my objective is to form a simple formula in order to determine the mass of the KOH solution for any volume. Mass(KOH) in 1 dm^3 = (2 mol/dm^3)* (1 dm^3)*(56 g/mol) Mass(KOH) in 1 dm^3 = 112g. Hence, Mass(KOH) in X dm^3 = 112*X.