Essential Chemistry for IGCSE - Formulae And Equations (Section 4 - No. 7)
When balancing chemical equations, which of these is essential for the equation to be correctly balanced?
Using the correct chemical formulas for reactants and products.
Adding coefficients in front of the chemical formulas.
Changing the subscripts in the chemical formulas.
Ensuring that the number of atoms for each element are the same on both sides
Explanation
Coefficients balance the equation, and subscripts must be kept the same to not change the identity of the compound.
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