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What is the Significance of the Formula of a Substance ? - Science

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Short Note

What is the significance of the formula of a substance ?

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The significance of the chemical formula of any substance is as follows:

  • A chemical formula of a substance (element or compound) represents its name.
  • A chemical formula provides important information on the chemical makeup of any substance (element or compound). It names all the elements present in the molecule.
  • A chemical formula also provides important information on the number of atoms of each constituent element of the molecule of the substance.
  • A chemical formula represents one mole of molecules of the substance (element or compound), which is 6.022 × 1023 molecules of the substance.
  • Since, a chemical formula represents one mole of molecules of a substance, it also represents the definite mass of that substance, which is expressed as gram molecular mass.
Concept: Chemical Formula Or Molecular Formula
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Lakhmir Singh Class 9 Chemistry - Science Part 2
Chapter 3 Atoms and Molecules
Short Answers | Q 40 | Page 130

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