A solution contains 90 mL of methanol, 18 mL of propanol, and 2 mL of diethyl ether. Which is the solvent in this solution? - methanol. - propanol. - diethyl ether. - water

The solvent is the substance in which the solute is dissolved. The solvent is considered the substance that is present in larger quantity in a solution. The others are the solute. In this solution you should consider that propanol and diethyl ether are both dissolved in mehtanol. So, in this solution methanol is the solvent, while propanol and diethyl ether are solutes.