1.

The solubility of oxygen in aqueous solutions is about?(a) 20 ppm(b) 15 ppm(c) 10 ppm(d) 5 ppmI got this question during an interview for a job.The origin of the question is Oxygen Uptake in Cell Cultures topic in division Mass Transfer of Bioprocess Engineering

Answer»

Correct choice is (C) 10 ppm

Easiest explanation: The solubility of OXYGEN in aqueous solutions at ambient temperature and PRESSURE is only about 10 ppm. This amount of oxygen is quickly CONSUMED in aerobic cultures and MUST be constantly replaced by sparging.



Discussion

No Comment Found

Related InterviewSolutions