Thank you very much for your assistance preemptively. My question has to do with law of conservation of mass.
A 50g sample of iron reacts with 21g of oxygen to from how many grams of iron oxide? Is the answer maybe 71g or 29g. This is stumping me.
Chemistry - DrBob222, Saturday, September 3, 2011 at 7:36pm
Yes, mass on left = mass on right