Respuesta :
2 is the coefficient that correctly balance the formula equation: NH4NO2 → N2 + H2O.
BALANCING CHEMICAL EQUATION:
- A balanced equation is one in which the atoms of each element on both sides of the equation are the same.
- According to this question, the following unbalanced decomposition reaction is given: NH4NO2 → N2 + H2O
- To balance the equation, we make use of coefficients, which are numbers placed in front of the corresponding element or compound involved.
- The balanced equation is as follows: NH4NO2 → N2 + 2H2O. This equation shows that 2 is the coefficient placed in front of H2O to correctly balance the equation.
Learn more about balancing chemical equations at: https://brainly.com/question/8062886