Balancing Equations Worksheets - ____ n2 + ____ h2 æ ____ nh3. 2 fe+ 3 cl2 − −→ 2 fecl3. 4 fe+ 3 o2 − − → 2 fe2o3. Apply the law of conservation of mass [a relation stating that in a chemical reaction, the mass of the. ____ kclo3 æ ____ kcl + ____ o2. 2 febr + − −→ + 3 3 h2so4 1.
2 fe+ 3 cl2 − −→ 2 fecl3. Apply the law of conservation of mass [a relation stating that in a chemical reaction, the mass of the. 2 febr + − −→ + 3 3 h2so4 1. 4 fe+ 3 o2 − − → 2 fe2o3. ____ kclo3 æ ____ kcl + ____ o2. ____ n2 + ____ h2 æ ____ nh3.