(JEE Main 2017) The most abundant elements by mass in the human body are Oxygen (61.4%), Carbon (22.9%), Hydrogen (10.0%), and Nitrogen (2.6%). The weight which a 75 kg person would gain if all atoms

Question

(JEE Main 2017) The most abundant elements by mass in the human body are Oxygen (61.4%), Carbon (22.9%), Hydrogen (10.0%), and Nitrogen (2.6%). The weight which a 75 kg person would gain if all $^{1}H$ atoms are replaced by $^{2}H$ atoms is:

Prashant Kotian · Accepted Answer

Correct answer: C. Mass of Hydrogen .
Atomic mass doubles ().
The mass of hydrogen will increase by another 7.5 kg.
Total weight gain . [1, 2]

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