Respuesta :
Let's start by writing the basic equation:
Na(s) + H2O(l) ↔ NaOH(aq) + H2 (g)
Now balance:
2Na(s) + 2H2O(l) ↔ 2NaOH(aq) + H2 (g)
Na(s) + H2O(l) ↔ NaOH(aq) + H2 (g)
Now balance:
2Na(s) + 2H2O(l) ↔ 2NaOH(aq) + H2 (g)
The balanced equation between sodium metal and water to form aqueous sodium hydroxide and hydrogen gas is: 2Na(s) + 2H2O(l) ↔ 2NaOH(aq) + H2 (g)
- According to this question, sodium metal reacts with water to form m aqueous sodium hydroxide and hydrogen gas as follows: Na(s) + H2O(l) ↔ NaOH(aq) + H2(g)
- However, this reaction is not balanced because the number of atoms of each element on both sides of the equation are not the same.
- To balance the equation, we make use of coefficients, which are numbers placed in front of the elements. The balanced equation is as follows:
- 2Na(s) + 2H2O(l) ↔ 2NaOH(aq) + H2 (g)
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