Question

Asked Feb 20, 2019

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Step 1

Part (a)

There are 3 species in the given process of distillation. Therefore, there will be 3 independent equations which can be written for this system, 1 material balance equation for each species.

Step 2

Part (b)

Degree of freedom helps in determining the number of variables that must be specified so that the remaining unknowns can be evaluated. The formula used to calculate degree of freedom (DF) is written below.

Step 3

There are total 7 unknown variables present. These are, *ṁ1, ṁ3, ṁ5, x2A, x2B, x4B*, and *x4C*.

There are 3 independent equations, one for each of the species and 2 mole fracti...

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