Respuesta :
The coefficient of oxygen gas (O2) in the following balanced equation is: 4Na + O2 → 2Na2O, is 1.
BALANCING EQUATION:
- A balanced equation is an equation that contains the same number of atoms of each element on both sides of the equation.
- Balancing a chemical reaction requires the use of coefficients, which are numbers placed in front of the elements/compounds involved.
- According to this question, the following reaction is given:
- Na + O2 → Na2O
- The balanced chemical equation using coefficients is as follows:
- 4Na + O2 → 2Na2O
- This balanced equation shows that 1 mole of oxygen is involved, hence, the coefficient is 1.
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