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What is the balance of this chemical equation? H2 + O2 -> H2O
Why is it important to balance chemical equations?
Which of these reactions are correctly balanced?
The balancing of a chemical equation involves only changing the coefficients (numbers before elements/compounds), not the subscripts.
It is possible to balance a chemical equation by changing the chemical symbols of the elements involved.
The principle of conservation of mass states that no atoms are lost or created during a chemical reaction, hence they must be balanced on both sides of a chemical equation.