A student has 3.86 g of iron metal. a How many moles of iron does the student have? Show your work. 0.86g Fe 0.0 motfe b Given your answer to (a) and the fact that rust has the formula Fe203, how many moles of oxygen would be required to convert all of the iron to rust? Show your work. c Given your answer to (b), how many grams of oxygen would be required? Show your work. d What would be the mass of rust produced if all of the iron was converted to rust? Show your work.