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GATE 2019 BT – Question 34

Fundamentals of Biological Engineering · Bioreaction Engineering: Rate law, zero and first order kinetics, Michaelis-Menten kinetics and enzyme inhibition · 1 mark · Numerical answer

Find the mass of 1 kmol oxygen molecules in grams, nearest integer.

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Correct answer: 31800 to 32000

Explanation

Oxygen molecules are O₂, with molar mass approximately 32 g/mol. One kmol is 1000 mol, so the mass is 1000×32 = 32000 g. The factor of two for molecular oxygen must be retained.

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