3.25. WP A mixture is 10.0 mole% methyl alcohol, 75-0 mole% methyl acetate (C,H60,), and 15.0 mole%acetic acid. Calculate the mass fractions of each compound. What is the average molecular weight of the mixture? What would be the mass (kg) of a sample containing 25.0 kmol of methyl acetate?

Fig: 1