Coefficients can be fractions when we are balancing a chemical equation.

Question

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Coefficients can be fractions when balancing chemical equations in order to get the correct ratio of reactants and products. For example, the balanced equation for the reaction of hydrogen gas and oxygen gas to form water is 2H2 + O2 -> 2H2O, where the coefficient 1/2 is used for the oxygen gas to balance the number of oxygen atoms on each side of the equation.

Coefficients Can Be Fractions When We Are Balancing a Chemical