The composition by mass % of methyl alcohol, ethyl alcohol, n-Propyl alcohol and
ID: 935716 • Letter: T
Question
The composition by mass % of methyl alcohol, ethyl alcohol, n-Propyl alcohol and water in two solutions A and B are given below. a. What are the masses in kg of solution A and solution B required. to make 100 kg of a mixture containing 25% ethyl alcohol by mass? (10 MARKS) b. Assume that the volume of the mixture equals the sum of the pure components volumes. Also assume that all alcohol and water are completely miscible. Calculate the densities (kg/m^3) of solutions A and B and the mixture containing 25% ethyl alcohol by mass? To solve this problem. you are required to develop a formula for calculation of average density of a solution based on the mass fractions and the densities al the components. (20 MARKS)Explanation / Answer
a)
x = mass of solution A (kg)
100
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