Question: Write a VBA userdefined function to convert a mole fraction ( ) into a mass fraction ( ) of a multi component system. The formula

Write a VBA userdefined function to convert a mole fraction ( ) into a mass fraction ( ) of a multi component system. The formula is:

MW is the associated molecular weight. Please show all steps. I think I have written the VBA properly, but it wont run.

(a) Test your function for a binary system of ethanol in water: determine the mass fractions of ethanol for mixtures with the following mole fractions:

0,0.125,0.250,0.375,0.500,0.625,0.750,0.875,1.00

(b) Plot the results in part (a) with the mass fraction of ethanol shown as a function of ethanol mole fraction for the binary ethanol/water system.

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