Question

what is emperical and molecular formula ? what is relation between them.

Answer 1

emperical=2×molecular formula

Answer 2

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HERE IS YOUR ANSWER :-


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I) Empirical Formula — The formula which denotes simple the ratio of the number of atoms of different elements present in the molecule of that compound , is known as empirical formula.

✨For example :- in a molecule of ethane (C2H6) , there are two atoms of carbon and 6 atoms of hydrogen present . thus their simple ratio will be 1:3 Therefore, the empirical formula of ethane will be CH3.

II) Molecular formula :- The formula which expresses the actual number of atoms of element present in a molecule is known as molecular formula .

✨For example :- The molecular formula of water is H2O. molecular formula is either equal to empirical formula or its simple whole number.

✨ The relationship between empirical and molecular formula are :

molecular formula = n * empirical formula

where n is a whole number.

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