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Percentage Composition - Percentage composition is the percentage by mass of the atoms of an element present in one mole of a compoun..

If range(f) C Dom(g), we define the composite function of g and f (gof) by gof(x) = g [f(x)] for all x A If range (g) C dom f, we define the composite function (fog) of f and g by fog (x) = f [g(x)] for all x..

Percentage composition is the percentage by mass of the atoms of an element present in one mole of a compound. ..

Composition of two functions or Product of two functions - Let f:AgB and g:AgB be two functions. Thus the composition of two functions f and g denoted by gof or fog is the function from A into C defined by gof = {(a,b) for some c B, (a,c) f and (c,b) g}.Let f:AgB and g:AgB be tw..

Molecular Formula of a substance gives the names and number of atoms of the various elements present and the molecular mass of it. To find the molecular formula from percentage composition we have to undertake the following steps: 1) First find the empirical formula, as illustrated earlie..

The relative abundance of the organisms of various age groups in the population is called age distribution of population. With regard to age distribution, there are three kinds of populations. i) Rapidly growing population is a population, which has high birth rate and low death rate, so there are..

The mass percentage of each constituent element present in any compound is called its percentage composition. This may be obtained from the molecular formula of the compound by using the relationship:..

All elements are represented by symbols and all compounds represented by chemical formulae indicating the number of atoms of elements and also the proportion of the atoms in the compound.Example: Hydrogen atom is represented as H.Hydrogen molecule is represented as H2.A compound of hydrogen, water ..

>Nuclear composition of isotopes of chlorine: Nuclear composition of isotopes of carbo..

Hydrogen atom is represented as H. Hydrogen molecule is represented as H 2 . A compound of hydrogen, water is represented as H 2 O. In H 2 O - proportion of atoms H : O = 2 : 1 Knowing the proportion of atoms in a compound, the percentage composition can be calculated. Percentage co..