1.

Balancing of a chemical equation.

Answer»

According to the law of conservations of mass, a balanced chemical equation has the same number of atoms of each element on both sides of the equation.

Step I Write down the correct formulas of reactants and products.

Step II Balance the number of atoms of elements other than H & O.

Step III Balance the number of H and O if any.

Step IV Verify the number of atoms for all reactants and products.



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