If, for example, you write 2 H 2O, that means you have 2 times the number of atoms in each water molecule, which would be 4 hydrogen atoms and 2 oxygen atoms. When balancing equations, you never change subscripts. You add coefficients. Coefficients are whole number multipliers. So, Oxygen atoms are not balanced at the products side.Add Coefficients To Balance Mass in a Chemical Equation A balanced equation is nothing but the equation where number of atoms in each element in reactants and products are same. What does meant by balancing chemical equations?Ĭhemical Equation is defined as the symbolic representation of chemical reaction.
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