Balance the following reaction. A coefficient of \"1\" is understood. Choose option \"blank\" for the correct answer if the coef
ficient is \"1.\". . Al + ZnCl2 → Zn + AlCl3. . . 2.Balance the following reaction. A coefficient of \"1\" is understood. Choose option \"blank\" for the correct answer if the coefficient is \"1.\". . NH3 + O2 → N2 + H2O. .
Conservation of mass is the underlying principle of balancing equation. When we balance equation, this means that we acknowledge that before and after the chemical reaction, the elements are conserved. To balance the chemical equation, we add coefficients before each reactant and product. Here are the following answers:
