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Task 2 ( of 2 ) A and B are fed into a reactor to produce C using the chemical formula below. 2 A +

Task 2(of 2)
A and B are fed into a reactor to produce C using the chemical formula below.
2A+3B2C
This means that 2mol of A and 3mol of B react together to make 2mol of C. This reaction is
only 60% efficient (i.e. if you add 10mol of A, only 6mol will turn into C).
..
*4
The inlet feed (M1) has only A and B and has a ratio of 3mol of B for every 2mol of A. After
the reaction, the product is fed to a distillation column to try and remove as much A and B as
possible. If the distillation column sends out 100molh of C which is 96% of the total amount in
M3(the remainder being 2% of A and 2% of B), find the flow rates of M1,M2, and M4 as well as
the concentration of A,B, and C in each flow. M4 contains no C.
Hint: you cannot set the rate M1 equal to the rate M2 in the reactor, as the nature of the reaction
does not result in the same rate flowing in as is flowing out, since 5 mols of the reactants A and
B are used to produce only 2mols of the product C. However, the overall number of mols (or
molshr) of A, B, and C will be conserved through each step in the process. To determine the
rates for the reaction portion of the system, look at the number of mols inherent in the reaction
equation and the rate at which C is produced based on the amount of A provided to the system in
order to determine the number of mols of A and B going in and number of A, B, and C coming
out of the reactor.
Solve this problem on Engineering Graph Paper using the Problem Presentation Method. When
completed, scan your work, name your file HW_12p2_Task2_UCusername.pdf, and submit it.
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