What numbers?......
Explaination:
Independent is what you are testing with. dependent is what you ARE testing. constant is the control so like for example the time, or the same material etc. tools should be on your paper depending on what lab it is :)
B.) Since the mole ratio is 1:1. For every mole of copper, you have one mole of iron. To produce 1.00 mole of copper, you need 1.00 mole of iron. A mole of iron is equivalent to 55.85 grams.