Iron forms rust, expressed as Fe2O3. Using information from the Periodic Table, what is the mass of one mole of Fe203?
A. 71.85 g
B. 143.70 g
C. 159.70 g
D. 319.40 g

How is electrolysis most commonly used to produce an energy source? a - splitting water molecules produces oxygen, which organisms breathe to fuel their bodies. b - splitting water molecules produces hydrogen gas, which is used to power machines through hydrogen fuel cells. c - splitting carbon dioxide molecules produces coal, a form of carbon that can be burned to produce heat. d - splitting carbon dioxide molecules produces natural gas, which can be burned to generate electricity in power plants.