Can someone please answer this question

Question

Combining  with excess carbon produced Fe2O3+3C⟶2Fe+3CO with excess carbon produced 14.8 g Fe.

What is the actual yield of iron in moles?

What is the theoretical yield of iron in moles?

What is the percent yield?

Answer 1

The molar mass of iron (from the periodic table) is 55.845 g/mole and since there are 14.8 g produced then that is 14.8/55.845 = 0.265 moles of iron produced.

You don't tell us how much iron oxide you start with so you can't determine the theoretical amount of iron produced. But, if iron oxide is given in grams, convert to moles then use the mole-to-mole ratios to convert moles of iron oxide to iron (for every 1 mole of Fe₂O₃ there are 2 moles of Fe produced).

Once you have the theoretical amount, divide the actual and the theoretical and convert to percent to get the yield.