A liquid mixture of n-hexane and methanol contains trace (i.e. very small) amounts of dissolved oxygen and methane. The gas in equilibrium with this liquid mixture contains all four substances. To express the relationship between the mole fraction in the liquid and the mole fraction in the vapour for each substance, you can only use Raoult's or Henry's law. Select the appropriate law for each substance. oxygen Methanol 1. Raoult's law nHexane 2. Henry's law methane