Hi Borek. Thanks for getting in touch.
I know all the identities, mass flowrates, molar flowrates, volumetric flowrates, etc. The volumetric flow data for my inlet stream is as follows:
C8H8O2, Phenylacetic acid = 72.9 litres/hour
NaOH, Sodium Hydroxide = 10.3 litres/hour
H2O, Water = 2836.5...