Which element is present in highest percentage in human body?

What is percentage of water in human body ?

Which of the following is found in highest percentage in dry biomass ?

which element is present negliglible in human body?

Which one has the highest percentage of nitrogen?

Which of the following is present in highest concentration in exhausts emissions?

The percentage composition of elements in a compound is calculated from the molecular formula of the compound. The molecular mass of a compound is calculated from the atomic masses of the various elements present in the compound. The percentage of mass of each element is then calculated with the help of the following relation. Percentage mass of the element in the compound. ("Mass of the element")/("Mass of the compound") Percentage of S in aluminium sulphate is