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Why is balancing an equation by changing chemical formulae wrong?

Answer and explanation

Correct answer: Because it changes the identity of the substance

Chemical formulae show the fixed composition and identity of substances. If a subscript is changed while balancing, the ratio of atoms within a molecule changes and a different substance may be represented. Therefore option A is correct. A chemical equation must be balanced by changing only coefficients placed before formulae, because coefficients alter the number of particles without changing the substances themselves.

Related tags

ScienceClass10Balancing EquationsChemical FormulaConservation Of MassChemical Reactions And EquationsChemical Substances – Nature And BehaviourChemical Substances Nature And Behaviour

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