The most abundant elements by mass in the body of a healthy human adult are: Oxygen (61.4%); Carbon (22.9%), Hydrogen (10.0%); and Nitrogen (2.6%)…

Question

The most abundant elements by mass in the body of a healthy human adult are:

Oxygen (61.4%); Carbon (22.9%), Hydrogen (10.0%); and Nitrogen (2.6%). The weight which a 75kg person would gain if all

^{1} H

atoms are replaced by

^{2} H

atoms is:

MARKS Content Team · Accepted Answer

Correct answer: (B) 7.5 kg. Weight of Hydrogen in body of 75 kg person =75×10/100=7.5kg On replacing ^1H by ^2H , the new weight of H=7.5×2=15kg Weight increase = 7.5kg

The most abundant elements by mass in the body of a healthy human adult are:

Oxygen (61.4%); Carbon (22.9%), Hydrogen (10.0%); and Nitrogen (2.6%). The weight which a 75kg person would gain if all $^{1} H$ atoms are replaced by $^{2} H$ atoms is:

Solution

Relevant Questions

The most abundant elements by mass in the body of a healthy human adult are:Oxygen (61.4%); Carbon (22.9%), Hydrogen (10.0%); and Nitrogen (2.6%). The weight which a 75kg person would gain if all 1H atoms are replaced by 2H atoms is:

Solution

Relevant Questions

The most abundant elements by mass in the body of a healthy human adult are:

Oxygen (61.4%); Carbon (22.9%), Hydrogen (10.0%); and Nitrogen (2.6%). The weight which a 75kg person would gain if all $^{1} H$ atoms are replaced by $^{2} H$ atoms is: