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The most abundant elements by mas in the...

The most abundant elements by mas 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

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The most abundant elements by mass in the body of a healty human adult are: oxygen (61.4%), carbon (22.9%), hydrogenn (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-

The most abundant amounts by mass in the body of a healthy human adult are oxygen (61.4%), carbon (22.96%) 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

A certain alkaloid has 70.8% carbon, 6.2% hydrogen, 4.1% nitrogen and the rest oxgen. What is its empirical formula :

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An organic compound containing oxygen, carbon, Hydrogen and nitrogen contains 20% C, 6.7% H and 46.67% N. Its molecular weight was found to be 60. The molecular formula of the compound is