What is the significance of a formula? Give an example to illustrate?
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Formula represents the name of a substance.
Formula represents one molecule of substance.
Formula represents 6.022*1023(one mole) of molecules of a substance.
Formula represents the name of the elements present in it.
Formula gives the no. of atoms of each element present in one molecule of the substance.
Formula represents a definite mass of the substance (i.e. the mass of the substance in grams)
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