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 75 kg person would gain if all 1H atoms are replaced by 2H atoms is...

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Solution

Since H is 10% and 1H atoms are replaced by 2Hatoms then weight of hydrogen is just doubled. Weight gain will be 75 x .1 = 7.5 kg

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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 75 kg person would gain if all $^{1} H$ atoms are replaced by $^{2} H$ atoms is...

Q. 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 75 kg person would gain if all

H^{1}

atoms are replaced by

H^{2}

atoms is:

Q. 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 75 kg person would gain if all

H^{1}

atoms are replaced by

H^{2}

is :

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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 75 kg person would gain if all 1H atoms are replaced by 2H atoms is...

Since H is 10% and 1H atoms are replaced by 2Hatoms then weight of hydrogen is just doubled. Weight gain will be 75 x .1 = 7.5 kg

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 75 kg person would gain if all 1H atoms are replaced by 2H atoms is...