Which compound, contain equal percentage of all elements in its compound-

Which compound contains the highest percentage of magnesium by mass?

Which compound contains the highest percentage of nitrogen by mass?

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

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") What is the percentage of calcium in calcium carbonate?

Statement I : All compounds contain more than one element. Statement II : All compounds are heterogeneous mixtures.

In Co2 what is the elemental percentage of C in compound?