Practice question
Question
Pseudomonas with the elemental composition of CH3O0.5N0.5 (MW = 30) is grown in a bioreactor to a final cell mass of 30 g/l. The minimum concentration (g/l) of ammonia (NH3) (MW = 17) (as the sole nitrogen source) required is:
Explanation
quantitative reasoning analysis shows ratio, percentage and series logic determine correct calculation. Consequently 8.5 emerges as the valid choice since it meets mathematical and logical criteria, aligning with established principles in aptitude and reasoning literature.
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