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Why is it wrong to change subscripts while balancing an equation?

Answer and explanation

Correct answer: They show composition of the substance

A subscript tells how many atoms of an element are present in one formula unit or molecule. For example, H₂O and H₂O₂ are different substances because their compositions differ. Changing a subscript during balancing would therefore change the reactant or product itself and violate the original reaction. Only coefficients placed before formulae may be changed to equalise atom counts.

Related tags

Chemical EquationsSubscriptsCoefficientsBalancing EquationsChemical Reactions And EquationsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScience

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