Identify each of the following reactions as balanced or unbalanced.CH4+ 2O2 → CO2 + 2H2O:
CaCl2+ 2AgNO3 → Ca(NO3)2 + 2AgCl:
3Fe3O4 + 4Al → 9Fe + 4Al2O3:
The 2 in front of H+:
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Percent Composition and Molecular Formula
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