A stripping column is used to strip a volatile organic compound (A) from water with pure water vapor as the stripping ag

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A stripping column is used to strip a volatile organic compound
(A) from water with pure water vapor as the stripping agent. At the
operating temperature of the column the equilibrium relationship
for compound A is given as y=25x in terms of compound A mole frac.
The liquid mixture enters at a rate of 1.2 kmol/min and contains
0.0002 mole fraction of compound A. L/V is given as 10.0. It is
desired to have a liquid mixture of water and compound A with
0.00001 exit mole fraction of compound A.
a) What is the outlet mole fraction of compound A in the exit gas
stream?
b) How many stages are required to achieve this separation?