Which one evaporates faster methanol or ethanol?
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the
reason is because alcohol evaporates quickly is that its state at room
temp depends a lot on the london dispersion force which depends greatly
on the mass of the molecule. since methanol is the lightest and
smallest, the LDF is smaller... thus methanol evaporates faster among the both.
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Explanation:
The amount of hydrogen bonding differs as the molecular weight of the compound increases. ... So, Methanol (MW = 32) will evaporate first; ethanol (MW = 46) will evaporate second; generally, 2-propanol (MW = 60) will evaporate third; and the water (MW = 18) will usually evaporate last.
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