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प्रश्न
What is the significance of the formula of a substance ?
टिप्पणी लिखिए
उत्तर
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.
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